20101222102010 has 256 divisors, whose sum is σ = 45185869440000. Its totient is φ = 6412763750400.

The previous prime is 20101222101997. The next prime is 20101222102079. The reversal of 20101222102010 is 1020122210102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4764449681 + ... + 4764453899.

It is an arithmetic number, because the mean of its divisors is an integer number (176507302500).

Almost surely, 2^{20101222102010} is an apocalyptic number.

20101222102010 is an abundant number, since it is smaller than the sum of its proper divisors (25084647337990).

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

20101222102010 is a wasteful number, since it uses less digits than its factorization.

20101222102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174 (or 5160 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20101222102010 its reverse (1020122210102), we get a palindrome (21121344312112).

The spelling of 20101222102010 in words is "twenty trillion, one hundred one billion, two hundred twenty-two million, one hundred two thousand, ten".