20212000010121 has 32 divisors (see below), whose sum is σ = 28178891649792. Its totient is φ = 12877449212160.

The previous prime is 20212000010099. The next prime is 20212000010149. The reversal of 20212000010121 is 12101000021202.

It is not a de Polignac number, because 20212000010121 - 2⁵ = 20212000010089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20212000010097 and 20212000010106.

It is not an unprimeable number, because it can be changed into a prime (20212000010171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9117150 + ... + 11115143.

It is an arithmetic number, because the mean of its divisors is an integer number (880590364056).

Almost surely, 2^{20212000010121} is an apocalyptic number.

It is an amenable number.

20212000010121 is a deficient number, since it is larger than the sum of its proper divisors (7966891639671).

20212000010121 is a wasteful number, since it uses less digits than its factorization.

20212000010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20232513.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20212000010121 its reverse (12101000021202), we get a palindrome (32313000031323).

The spelling of 20212000010121 in words is "twenty trillion, two hundred twelve billion, ten thousand, one hundred twenty-one".