201220101011012 has 48 divisors (see below), whose sum is σ = 362672238136320. Its totient is φ = 97626853420800.

The previous prime is 201220101010891. The next prime is 201220101011089. The reversal of 201220101011012 is 210110101022102.

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, 33707933 + ... + 39225819.

It is an arithmetic number, because the mean of its divisors is an integer number (7555671627840).

Almost surely, 2^{201220101011012} is an apocalyptic number.

It is an amenable number.

201220101011012 is a deficient number, since it is larger than the sum of its proper divisors (161452137125308).

201220101011012 is a wasteful number, since it uses less digits than its factorization.

201220101011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519132 (or 5519130 counting only the distinct ones).

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

Adding to 201220101011012 its reverse (210110101022102), we get a palindrome (411330202033114).

The spelling of 201220101011012 in words is "two hundred one trillion, two hundred twenty billion, one hundred one million, eleven thousand, twelve".