2021022301032 has 128 divisors (see below), whose sum is σ = 6423382425600. Its totient is φ = 576765468864.

The previous prime is 2021022301019. The next prime is 2021022301057. The reversal of 2021022301032 is 2301032201202.

It is a super-2 number, since 2×2021022301032² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2021022300996 and 2021022301014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530433 + ... + 2079279.

It is an arithmetic number, because the mean of its divisors is an integer number (50182675200).

Almost surely, 2^{2021022301032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021022301032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3211691212800).

2021022301032 is an abundant number, since it is smaller than the sum of its proper divisors (4402360124568).

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

2021022301032 is a wasteful number, since it uses less digits than its factorization.

2021022301032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549732 (or 1549722 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2021022301032 its reverse (2301032201202), we get a palindrome (4322054502234).

The spelling of 2021022301032 in words is "two trillion, twenty-one billion, twenty-two million, three hundred one thousand, thirty-two".