22011101012012 has 48 divisors (see below), whose sum is σ = 44537274432000. Its totient is φ = 9323053686144.

The previous prime is 22011101011997. The next prime is 22011101012023. The reversal of 22011101012012 is 21021010111022.

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 15 ways as a sum of consecutive naturals, for example, 3403289 + ... + 7456847.

It is an arithmetic number, because the mean of its divisors is an integer number (927859884000).

Almost surely, 2^{22011101012012} is an apocalyptic number.

It is an amenable number.

22011101012012 is an abundant number, since it is smaller than the sum of its proper divisors (22526173419988).

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

22011101012012 is a wasteful number, since it uses less digits than its factorization.

22011101012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055838 (or 4055836 counting only the distinct ones).

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

Adding to 22011101012012 its reverse (21021010111022), we get a palindrome (43032111123034).

The spelling of 22011101012012 in words is "twenty-two trillion, eleven billion, one hundred one million, twelve thousand, twelve".