20101122202 has 32 divisors (see below), whose sum is σ = 34658072064. Its totient is φ = 8565102000.

The previous prime is 20101122199. The next prime is 20101122203. The reversal of 20101122202 is 20222110102.

It is a happy number.

It is a super-2 number, since 2×20101122202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20101122203) by changing a digit.

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, 3432577 + ... + 3438427.

It is an arithmetic number, because the mean of its divisors is an integer number (1083064752).

Almost surely, 2^20101122202 is an apocalyptic number.

20101122202 is a deficient number, since it is larger than the sum of its proper divisors (14556949862).

20101122202 is a wasteful number, since it uses less digits than its factorization.

20101122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7234.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20101122202 its reverse (20222110102), we get a palindrome (40323232304).

The spelling of 20101122202 in words is "twenty billion, one hundred one million, one hundred twenty-two thousand, two hundred two".