20211120102 has 16 divisors (see below), whose sum is σ = 40483586880. Its totient is φ = 6726815592.

The previous prime is 20211120091. The next prime is 20211120113. The reversal of 20211120102 is 20102111202.

It is an interprime number because it is at equal distance from previous prime (20211120091) and next prime (20211120113).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2551828 + ... + 2559735.

It is an arithmetic number, because the mean of its divisors is an integer number (2530224180).

Almost surely, 2^20211120102 is an apocalyptic number.

20211120102 is an abundant number, since it is smaller than the sum of its proper divisors (20272466778).

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

20211120102 is a wasteful number, since it uses less digits than its factorization.

20211120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112227.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20211120102 its reverse (20102111202), we get a palindrome (40313231304).

The spelling of 20211120102 in words is "twenty billion, two hundred eleven million, one hundred twenty thousand, one hundred two".