200122111022021 has 16 divisors (see below), whose sum is σ = 200987150085888. Its totient is φ = 199258035782400.

The previous prime is 200122111022017. The next prime is 200122111022027. The reversal of 200122111022021 is 120220111221002.

200122111022021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 200122111022021 - 2² = 200122111022017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122111022027) 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, 3797573345 + ... + 3797626041.

It is an arithmetic number, because the mean of its divisors is an integer number (12561696880368).

Almost surely, 2^{200122111022021} is an apocalyptic number.

It is an amenable number.

200122111022021 is a deficient number, since it is larger than the sum of its proper divisors (865039063867).

200122111022021 is a wasteful number, since it uses less digits than its factorization.

200122111022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61532.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200122111022021 its reverse (120220111221002), we get a palindrome (320342222243023).

The spelling of 200122111022021 in words is "two hundred trillion, one hundred twenty-two billion, one hundred eleven million, twenty-two thousand, twenty-one".