202011122121222 has 64 divisors (see below), whose sum is σ = 427967736311808. Its totient is φ = 63465306624000.

The previous prime is 202011122121167. The next prime is 202011122121223. The reversal of 202011122121222 is 222121221110202.

202011122121222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011122121223) 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, 18554554 + ... + 27354957.

It is an arithmetic number, because the mean of its divisors is an integer number (6686995879872).

Almost surely, 2^{202011122121222} is an apocalyptic number.

202011122121222 is an abundant number, since it is smaller than the sum of its proper divisors (225956614190586).

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

202011122121222 is a wasteful number, since it uses less digits than its factorization.

202011122121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45910165.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 202011122121222 its reverse (222121221110202), we get a palindrome (424132343231424).

The spelling of 202011122121222 in words is "two hundred two trillion, eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-two".