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10111311222 = 231685218537
BaseRepresentation
bin10010110101010111…
…00101110101110110
3222002200012211102020
421122223211311312
5131201443424342
64351200254010
7505365504315
oct113253456566
928080184366
1010111311222
114319631861
121b62311306
13c51a915bc
146bcc5a27c
153e2a490ec
hex25aae5d76

10111311222 has 8 divisors (see below), whose sum is σ = 20222622456. Its totient is φ = 3370437072.

The previous prime is 10111311211. The next prime is 10111311233. The reversal of 10111311222 is 22211311101.

It is an interprime number because it is at equal distance from previous prime (10111311211) and next prime (10111311233).

It is a sphenic number, since it is the product of 3 distinct primes.

10111311222 is an admirable number.

It is a super-2 number, since 2×101113112222 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842609263 + ... + 842609274.

It is an arithmetic number, because the mean of its divisors is an integer number (2527827807).

Almost surely, 210111311222 is an apocalyptic number.

10111311222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10111311222 is a wasteful number, since it uses less digits than its factorization.

10111311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685218542.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 10111311222 its reverse (22211311101), we get a palindrome (32322622323).

The spelling of 10111311222 in words is "ten billion, one hundred eleven million, three hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 1685218537 3370437074 5055655611 10111311222