201011222222010 has 96 divisors (see below), whose sum is σ = 542068690514832. Its totient is φ = 51637884134400.

The previous prime is 201011222221963. The next prime is 201011222222021. The reversal of 201011222222010 is 10222222110102.

It is a happy number.

201011222222010 is a `hidden beast` number, since 20 + 101 + 122 + 222 + 201 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 116320301765721 + 84690920456289 = 10785189^2 + 9202767^2 .

It is a super-2 number, since 2×201011222222010² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298494019 + ... + 299166678.

Almost surely, 2^{201011222222010} is an apocalyptic number.

201011222222010 is an abundant number, since it is smaller than the sum of its proper divisors (341057468292822).

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

201011222222010 is a wasteful number, since it uses less digits than its factorization.

201011222222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597660848 (or 597660845 counting only the distinct ones).

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

Adding to 201011222222010 its reverse (10222222110102), we get a palindrome (211233444332112).

The spelling of 201011222222010 in words is "two hundred one trillion, eleven billion, two hundred twenty-two million, two hundred twenty-two thousand, ten".