20101200122010 has 64 divisors (see below), whose sum is σ = 55262052502272. Its totient is φ = 4583949014016.

The previous prime is 20101200121993. The next prime is 20101200122041. The reversal of 20101200122010 is 1022100210102.

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 31 ways as a sum of consecutive naturals, for example, 110440249 + ... + 110622108.

It is an arithmetic number, because the mean of its divisors is an integer number (863469570348).

Almost surely, 2^{20101200122010} is an apocalyptic number.

20101200122010 is an abundant number, since it is smaller than the sum of its proper divisors (35160852380262).

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

20101200122010 is a wasteful number, since it uses less digits than its factorization.

20101200122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221062807.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20101200122010 its reverse (1022100210102), we get a palindrome (21123300332112).

The spelling of 20101200122010 in words is "twenty trillion, one hundred one billion, two hundred million, one hundred twenty-two thousand, ten".