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110221112020 = 225181186116361
BaseRepresentation
bin110011010100110110…
…0001011001011010100
3101112111111110122001011
41212221230023023110
53301213101041040
6122345044542004
710651244664625
oct1465154131324
9345444418034
10110221112020
1142820a42918
12194409b1904
13a517266816
1454986dda4c
152d017223ea
hex19a9b0b2d4

110221112020 has 48 divisors (see below), whose sum is σ = 232882440336. Its totient is φ = 43818624000.

The previous prime is 110221112017. The next prime is 110221112047. The reversal of 110221112020 is 20211122011.

It can be written as a sum of positive squares in 8 ways, for example, as 61974110916 + 48247001104 = 248946^2 + 219652^2 .

It is a congruent number.

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, 6728640 + ... + 6745000.

It is an arithmetic number, because the mean of its divisors is an integer number (4851717507).

Almost surely, 2110221112020 is an apocalyptic number.

110221112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221112020 is an abundant number, since it is smaller than the sum of its proper divisors (122661328316).

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

110221112020 is a wasteful number, since it uses less digits than its factorization.

110221112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18412 (or 18410 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110221112020 its reverse (20211122011), we get a palindrome (130432234031).

Subtracting from 110221112020 its reverse (20211122011), we obtain a palindrome (90009990009).

The spelling of 110221112020 in words is "one hundred ten billion, two hundred twenty-one million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 181 362 724 905 1810 1861 3620 3722 7444 9305 16361 18610 32722 37220 65444 81805 163610 327220 336841 673682 1347364 1684205 2961341 3368410 5922682 6736820 11845364 14806705 29613410 30447821 59226820 60895642 121791284 152239105 304478210 608956420 5511055601 11022111202 22044222404 27555278005 55110556010 110221112020