20111002020102 has 32 divisors (see below), whose sum is σ = 45968605714944. Its totient is φ = 5745925440000.

The previous prime is 20111002020073. The next prime is 20111002020133. The reversal of 20111002020102 is 20102020011102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160102 + ... + 6344102.

It is an arithmetic number, because the mean of its divisors is an integer number (1436518928592).

Almost surely, 2^{20111002020102} is an apocalyptic number.

20111002020102 is an abundant number, since it is smaller than the sum of its proper divisors (25857603694842).

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

20111002020102 is a wasteful number, since it uses less digits than its factorization.

20111002020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6261444.

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

Adding to 20111002020102 its reverse (20102020011102), we get a palindrome (40213022031204).

The spelling of 20111002020102 in words is "twenty trillion, one hundred eleven billion, two million, twenty thousand, one hundred two".