20011012112210 has 24 divisors (see below), whose sum is σ = 41900609035980. Its totient is φ = 6860918438304.

The previous prime is 20011012112177. The next prime is 20011012112261. The reversal of 20011012112210 is 1221121011002.

It can be written as a sum of positive squares in 2 ways, for example, as 17703502247809 + 2307509864401 = 4207553^2 + 1519049^2 .

It is a super-3 number, since 3×20011012112210³ (a number of 41 digits) contains 333 as substring.

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 11 ways as a sum of consecutive naturals, for example, 20419399625 + ... + 20419400604.

Almost surely, 2^{20011012112210} is an apocalyptic number.

20011012112210 is an abundant number, since it is smaller than the sum of its proper divisors (21889596923770).

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

20011012112210 is a wasteful number, since it uses less digits than its factorization.

20011012112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40838800250 (or 40838800243 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20011012112210 its reverse (1221121011002), we get a palindrome (21232133123212).

The spelling of 20011012112210 in words is "twenty trillion, eleven billion, twelve million, one hundred twelve thousand, two hundred ten".