2011020120102 has 64 divisors (see below), whose sum is σ = 4709309810688. Its totient is φ = 560494080000.

The previous prime is 2011020120089. The next prime is 2011020120113. The reversal of 2011020120102 is 2010210201102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14812227 + ... + 14947377.

It is an arithmetic number, because the mean of its divisors is an integer number (73582965792).

Almost surely, 2^{2011020120102} is an apocalyptic number.

2011020120102 is an abundant number, since it is smaller than the sum of its proper divisors (2698289690586).

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

2011020120102 is a wasteful number, since it uses less digits than its factorization.

2011020120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143845.

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

Adding to 2011020120102 its reverse (2010210201102), we get a palindrome (4021230321204).

The spelling of 2011020120102 in words is "two trillion, eleven billion, twenty million, one hundred twenty thousand, one hundred two".