210020102021112 has 16 divisors (see below), whose sum is σ = 525050255052840. Its totient is φ = 70006700673696.

The previous prime is 210020102021053. The next prime is 210020102021113. The reversal of 210020102021112 is 211120201020012.

It is a junction number, because it is equal to n+sod(n) for n = 210020102021091 and 210020102021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020102021113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4375418792083 + ... + 4375418792130.

Almost surely, 2^{210020102021112} is an apocalyptic number.

It is an amenable number.

210020102021112 is an abundant number, since it is smaller than the sum of its proper divisors (315030153031728).

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

210020102021112 is a wasteful number, since it uses less digits than its factorization.

210020102021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8750837584222 (or 8750837584218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210020102021112 its reverse (211120201020012), we get a palindrome (421140303041124).

The spelling of 210020102021112 in words is "two hundred ten trillion, twenty billion, one hundred two million, twenty-one thousand, one hundred twelve".