101222003021 has 4 divisors (see below), whose sum is σ = 101751961344. Its totient is φ = 100692044700.

The previous prime is 101222002963. The next prime is 101222003023. The reversal of 101222003021 is 120300222101.

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-101222003021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101222002987 and 101222003005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222003023) 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, 264978875 + ... + 264979256.

It is an arithmetic number, because the mean of its divisors is an integer number (25437990336).

Almost surely, 2^101222003021 is an apocalyptic number.

It is an amenable number.

101222003021 is a deficient number, since it is larger than the sum of its proper divisors (529958323).

101222003021 is an equidigital number, since it uses as much as digits as its factorization.

101222003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529958322.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 101222003021 its reverse (120300222101), we get a palindrome (221522225122).

The spelling of 101222003021 in words is "one hundred one billion, two hundred twenty-two million, three thousand, twenty-one".