101222100131021 has 4 divisors (see below), whose sum is σ = 101399371760544. Its totient is φ = 101044828501500.

The previous prime is 101222100130999. The next prime is 101222100131029. The reversal of 101222100131021 is 120131001222101.

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 a de Polignac number, because none of the positive numbers 2^k-101222100131021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222100131029) 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, 88635813905 + ... + 88635815046.

It is an arithmetic number, because the mean of its divisors is an integer number (25349842940136).

Almost surely, 2^{101222100131021} is an apocalyptic number.

It is an amenable number.

101222100131021 is a deficient number, since it is larger than the sum of its proper divisors (177271629523).

101222100131021 is an equidigital number, since it uses as much as digits as its factorization.

101222100131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177271629522.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101222100131021 its reverse (120131001222101), we get a palindrome (221353101353122).

The spelling of 101222100131021 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred million, one hundred thirty-one thousand, twenty-one".