1002022211021 has 24 divisors (see below), whose sum is σ = 1089314029440. Its totient is φ = 921296128896.

The previous prime is 1002022211011. The next prime is 1002022211041. The reversal of 1002022211021 is 1201122202001.

It is not a de Polignac number, because 1002022211021 - 2³⁸ = 727144304077 is a prime.

It is a super-2 number, since 2×1002022211021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002022210987 and 1002022211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002022211011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78651470 + ... + 78664208.

It is an arithmetic number, because the mean of its divisors is an integer number (45388084560).

Almost surely, 2^{1002022211021} is an apocalyptic number.

It is an amenable number.

1002022211021 is a deficient number, since it is larger than the sum of its proper divisors (87291818419).

1002022211021 is a wasteful number, since it uses less digits than its factorization.

1002022211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14565 (or 14552 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002022211021 its reverse (1201122202001), we get a palindrome (2203144413022).

The spelling of 1002022211021 in words is "one trillion, two billion, twenty-two million, two hundred eleven thousand, twenty-one".