20210111012010 has 64 divisors (see below), whose sum is σ = 51377086518912. Its totient is φ = 5070403024896.

The previous prime is 20210111011933. The next prime is 20210111012023. The reversal of 20210111012010 is 1021011101202.

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, 6236532 + ... + 8905871.

It is an arithmetic number, because the mean of its divisors is an integer number (802766976858).

Almost surely, 2^{20210111012010} is an apocalyptic number.

20210111012010 is an abundant number, since it is smaller than the sum of its proper divisors (31166975506902).

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

20210111012010 is a wasteful number, since it uses less digits than its factorization.

20210111012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15145047.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20210111012010 its reverse (1021011101202), we get a palindrome (21231122113212).

The spelling of 20210111012010 in words is "twenty trillion, two hundred ten billion, one hundred eleven million, twelve thousand, ten".