20213102102112 has 36 divisors (see below), whose sum is σ = 57481009103700. Its totient is φ = 6737700700608.

The previous prime is 20213102102107. The next prime is 20213102102129. The reversal of 20213102102112 is 21120120131202.

20213102102112 is a `hidden beast` number, since 20 + 213 + 10 + 210 + 211 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35092190862 + ... + 35092191437.

It is an arithmetic number, because the mean of its divisors is an integer number (1596694697325).

Almost surely, 2^{20213102102112} is an apocalyptic number.

It is an amenable number.

20213102102112 is an abundant number, since it is smaller than the sum of its proper divisors (37267907001588).

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

20213102102112 is a wasteful number, since it uses less digits than its factorization.

20213102102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70184382315 (or 70184382304 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20213102102112 its reverse (21120120131202), we get a palindrome (41333222233314).

The spelling of 20213102102112 in words is "twenty trillion, two hundred thirteen billion, one hundred two million, one hundred two thousand, one hundred twelve".