20212200010121 has 16 divisors (see below), whose sum is σ = 23250480241920. Its totient is φ = 17211660598080.

The previous prime is 20212200010111. The next prime is 20212200010129. The reversal of 20212200010121 is 12101000221202.

It is a cyclic number.

It is not a de Polignac number, because 20212200010121 - 2³⁰ = 20211126268297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20212200010096 and 20212200010105.

It is not an unprimeable number, because it can be changed into a prime (20212200010129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5478695 + ... + 8392883.

It is an arithmetic number, because the mean of its divisors is an integer number (1453155015120).

Almost surely, 2^{20212200010121} is an apocalyptic number.

It is an amenable number.

20212200010121 is a deficient number, since it is larger than the sum of its proper divisors (3038280231799).

20212200010121 is a wasteful number, since it uses less digits than its factorization.

20212200010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920664.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20212200010121 its reverse (12101000221202), we get a palindrome (32313200231323).

The spelling of 20212200010121 in words is "twenty trillion, two hundred twelve billion, two hundred million, ten thousand, one hundred twenty-one".