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101020212222220 = 2255647894459113
BaseRepresentation
bin10110111110000010011001…
…110111010101100100001100
3111020200102211021121020011201
4112332002121313111210030
5101220103343312102340
6554504013403155244
730164320014015664
oct2676023167254414
9436612737536151
10101020212222220
112a208482231855
12b3b6488815b24
13444a21ba62895
141ad35937c51a4
15ba2b7a72279a
hex5be099dd590c

101020212222220 has 24 divisors (see below), whose sum is σ = 212180013186624. Its totient is φ = 40400929170816.

The previous prime is 101020212222197. The next prime is 101020212222227. The reversal of 101020212222220 is 22222212020101.

It is not an unprimeable number, because it can be changed into a prime (101020212222227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447116617 + ... + 447342496.

It is an arithmetic number, because the mean of its divisors is an integer number (8840833882776).

Almost surely, 2101020212222220 is an apocalyptic number.

101020212222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020212222220 is an abundant number, since it is smaller than the sum of its proper divisors (111159800964404).

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

101020212222220 is a wasteful number, since it uses less digits than its factorization.

101020212222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894464769 (or 894464767 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 101020212222220 its reverse (22222212020101), we get a palindrome (123242424242321).

The spelling of 101020212222220 in words is "one hundred one trillion, twenty billion, two hundred twelve million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5647 11294 22588 28235 56470 112940 894459113 1788918226 3577836452 4472295565 8944591130 17889182260 5051010611111 10102021222222 20204042444444 25255053055555 50510106111110 101020212222220