201011021122 has 32 divisors (see below), whose sum is σ = 317984683392. Its totient is φ = 95112509184.

The previous prime is 201011021117. The next prime is 201011021251. The reversal of 201011021122 is 221120110102.

It is a super-2 number, since 2×201011021122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2860573 + ... + 2929999.

It is an arithmetic number, because the mean of its divisors is an integer number (9937021356).

Almost surely, 2^201011021122 is an apocalyptic number.

201011021122 is a deficient number, since it is larger than the sum of its proper divisors (116973662270).

201011021122 is a wasteful number, since it uses less digits than its factorization.

201011021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70122.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201011021122 its reverse (221120110102), we get a palindrome (422131131224).

The spelling of 201011021122 in words is "two hundred one billion, eleven million, twenty-one thousand, one hundred twenty-two".