101222022021 has 32 divisors (see below), whose sum is σ = 139181746176. Its totient is φ = 65402064000.

The previous prime is 101222021983. The next prime is 101222022029. The reversal of 101222022021 is 120220222101.

It is not a de Polignac number, because 101222022021 - 2⁷ = 101222021893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222022029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9063681 + ... + 9074841.

It is an arithmetic number, because the mean of its divisors is an integer number (4349429568).

Almost surely, 2^101222022021 is an apocalyptic number.

It is an amenable number.

101222022021 is a deficient number, since it is larger than the sum of its proper divisors (37959724155).

101222022021 is a wasteful number, since it uses less digits than its factorization.

101222022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11833.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 101222022021 its reverse (120220222101), we get a palindrome (221442244122).

The spelling of 101222022021 in words is "one hundred one billion, two hundred twenty-two million, twenty-two thousand, twenty-one".