101022201021 has 48 divisors (see below), whose sum is σ = 163606734720. Its totient is φ = 54304604160.

The previous prime is 101022201019. The next prime is 101022201023. The reversal of 101022201021 is 120102220101.

It is an interprime number because it is at equal distance from previous prime (101022201019) and next prime (101022201023).

It is not a de Polignac number, because 101022201021 - 2¹ = 101022201019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101022200988 and 101022201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022201023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23551645 + ... + 23555933.

It is an arithmetic number, because the mean of its divisors is an integer number (3408473640).

Almost surely, 2^101022201021 is an apocalyptic number.

It is an amenable number.

101022201021 is a deficient number, since it is larger than the sum of its proper divisors (62584533699).

101022201021 is a wasteful number, since it uses less digits than its factorization.

101022201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214 (or 8197 counting only the distinct ones).

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

Adding to 101022201021 its reverse (120102220101), we get a palindrome (221124421122).

The spelling of 101022201021 in words is "one hundred one billion, twenty-two million, two hundred one thousand, twenty-one".