101122211202121 has 4 divisors (see below), whose sum is σ = 101122353072000. Its totient is φ = 101122069332244.

The previous prime is 101122211202071. The next prime is 101122211202139. The reversal of 101122211202121 is 121202112221101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101122211202121 - 2¹³ = 101122211193929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101122211202821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69860341 + ... + 71293138.

It is an arithmetic number, because the mean of its divisors is an integer number (25280588268000).

Almost surely, 2^{101122211202121} is an apocalyptic number.

It is an amenable number.

101122211202121 is a deficient number, since it is larger than the sum of its proper divisors (141869879).

101122211202121 is an equidigital number, since it uses as much as digits as its factorization.

101122211202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141869878.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101122211202121 its reverse (121202112221101), we get a palindrome (222324323423222).

The spelling of 101122211202121 in words is "one hundred one trillion, one hundred twenty-two billion, two hundred eleven million, two hundred two thousand, one hundred twenty-one".