1002220021022 has 16 divisors (see below), whose sum is σ = 1651967179632. Its totient is φ = 452229337920.

The previous prime is 1002220021009. The next prime is 1002220021027. The reversal of 1002220021022 is 2201200222001.

It is a junction number, because it is equal to n+sod(n) for n = 1002220020988 and 1002220021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002220021027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166257773 + ... + 166263800.

It is an arithmetic number, because the mean of its divisors is an integer number (103247948727).

Almost surely, 2^{1002220021022} is an apocalyptic number.

1002220021022 is a deficient number, since it is larger than the sum of its proper divisors (649747158610).

1002220021022 is a wasteful number, since it uses less digits than its factorization.

1002220021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332521723.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1002220021022 its reverse (2201200222001), we get a palindrome (3203420243023).

The spelling of 1002220021022 in words is "one trillion, two billion, two hundred twenty million, twenty-one thousand, twenty-two".