101211122120002 has 4 divisors (see below), whose sum is σ = 151816683180006. Its totient is φ = 50605561060000.

The previous prime is 101211122119951. The next prime is 101211122120033. The reversal of 101211122120002 is 200021221112101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100215295756081 + 995826363921 = 10010759^2 + 997911^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302780529999 + ... + 25302780530002.

Almost surely, 2^{101211122120002} is an apocalyptic number.

101211122120002 is a deficient number, since it is larger than the sum of its proper divisors (50605561060004).

101211122120002 is an equidigital number, since it uses as much as digits as its factorization.

101211122120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50605561060003.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101211122120002 its reverse (200021221112101), we get a palindrome (301232343232103).

The spelling of 101211122120002 in words is "one hundred one trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty thousand, two".