101021021022 has 128 divisors (see below), whose sum is σ = 216508723200. Its totient is φ = 31381862400.

The previous prime is 101021021021. The next prime is 101021021027. The reversal of 101021021022 is 220120120101.

It is a super-3 number, since 3×101021021022³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101021020989 and 101021021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021021021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 89477754 + ... + 89478882.

It is an arithmetic number, because the mean of its divisors is an integer number (1691474400).

Almost surely, 2^101021021022 is an apocalyptic number.

101021021022 is an abundant number, since it is smaller than the sum of its proper divisors (115487702178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101021021022 is a wasteful number, since it uses less digits than its factorization.

101021021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402.

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

Adding to 101021021022 its reverse (220120120101), we get a palindrome (321141141123).

The spelling of 101021021022 in words is "one hundred one billion, twenty-one million, twenty-one thousand, twenty-two".