20012211110000 has 100 divisors (see below), whose sum is σ = 49633310806464. Its totient is φ = 7809643200000.

The previous prime is 20012211109931. The next prime is 20012211110033. The reversal of 20012211110000 is 1111221002.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×20012211110000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23995136 + ... + 24815135.

Almost surely, 2^{20012211110000} is an apocalyptic number.

20012211110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012211110000 is an abundant number, since it is smaller than the sum of its proper divisors (29621099696464).

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

20012211110000 is an equidigital number, since it uses as much as digits as its factorization.

20012211110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48810340 (or 48810319 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20012211110000 its reverse (1111221002), we get a palindrome (20013322331002).

The spelling of 20012211110000 in words is "twenty trillion, twelve billion, two hundred eleven million, one hundred ten thousand".