202220122211010 has 96 divisors (see below), whose sum is σ = 556747727573232. Its totient is φ = 50748943564800.

The previous prime is 202220122210957. The next prime is 202220122211011. The reversal of 202220122211010 is 10112221022202.

It is a happy number.

202220122211010 is a `hidden beast` number, since 202 + 220 + 1 + 2 + 221 + 10 + 10 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 68765572835001 + 133454549376009 = 8292501^2 + 11552253^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202220122211011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12254722 + ... + 23550338.

Almost surely, 2^{202220122211010} is an apocalyptic number.

202220122211010 is an abundant number, since it is smaller than the sum of its proper divisors (354527605362222).

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

202220122211010 is a wasteful number, since it uses less digits than its factorization.

202220122211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11307348 (or 11307345 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202220122211010 its reverse (10112221022202), we get a palindrome (212332343233212).

The spelling of 202220122211010 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty-two million, two hundred eleven thousand, ten".