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331122102111020 = 225114013753367741
BaseRepresentation
bin100101101001001110101111…
…1010001100000101100101100
31121102101222000121201200112102
41023102131133101200230230
5321400101031120023040
63132123221013554232
7126513532240556303
oct11322353721405454
91542358017650472
10331122102111020
1196562105340720
1231179822045978
131129b8ac67391c
145baa57680b43a
1528433a4687515
hex12d275f460b2c

331122102111020 has 48 divisors (see below), whose sum is σ = 760462331471136. Its totient is φ = 120107767680000.

The previous prime is 331122102111013. The next prime is 331122102111041. The reversal of 331122102111020 is 20111201221133.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 331122102110983 and 331122102111001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1876595651 + ... + 1876772090.

It is an arithmetic number, because the mean of its divisors is an integer number (15842965238982).

Almost surely, 2331122102111020 is an apocalyptic number.

It is an amenable number.

331122102111020 is an abundant number, since it is smaller than the sum of its proper divisors (429340229360116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331122102111020 is a wasteful number, since it uses less digits than its factorization.

331122102111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753368162 (or 3753368160 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 331122102111020 its reverse (20111201221133), we get a palindrome (351233303332153).

The spelling of 331122102111020 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, one hundred two million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 401 802 1604 2005 4010 4411 8020 8822 17644 22055 44110 88220 3753367741 7506735482 15013470964 18766838705 37533677410 41287045151 75067354820 82574090302 165148180604 206435225755 412870451510 825740903020 1505100464141 3010200928282 6020401856564 7525502320705 15051004641410 16556105105551 30102009282820 33112210211102 66224420422204 82780525527755 165561051055510 331122102111020