101210022021 has 16 divisors (see below), whose sum is σ = 137503759680. Its totient is φ = 66195018240.

The previous prime is 101210022013. The next prime is 101210022031. The reversal of 101210022021 is 120220012101.

It is not a de Polignac number, because 101210022021 - 2³ = 101210022013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101210021988 and 101210022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210022031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3981570 + ... + 4006908.

It is an arithmetic number, because the mean of its divisors is an integer number (8593984980).

Almost surely, 2^101210022021 is an apocalyptic number.

It is an amenable number.

101210022021 is a deficient number, since it is larger than the sum of its proper divisors (36293737659).

101210022021 is a wasteful number, since it uses less digits than its factorization.

101210022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50516.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101210022021 its reverse (120220012101), we get a palindrome (221430034122).

The spelling of 101210022021 in words is "one hundred one billion, two hundred ten million, twenty-two thousand, twenty-one".