122101200021010 has 32 divisors (see below), whose sum is σ = 254620428077952. Its totient is φ = 41289799144320.

The previous prime is 122101200021007. The next prime is 122101200021071. The reversal of 122101200021010 is 10120002101221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11947274736 + ... + 11947284955.

It is an arithmetic number, because the mean of its divisors is an integer number (7956888377436).

Almost surely, 2^{122101200021010} is an apocalyptic number.

122101200021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122101200021010 is an abundant number, since it is smaller than the sum of its proper divisors (132519228056942).

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

122101200021010 is a wasteful number, since it uses less digits than its factorization.

122101200021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23894559778.

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

Adding to 122101200021010 its reverse (10120002101221), we get a palindrome (132221202122231).

The spelling of 122101200021010 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred million, twenty-one thousand, ten".