1021300022 has 16 divisors (see below), whose sum is σ = 1586982912. Its totient is φ = 492422760.

The previous prime is 1021300001. The next prime is 1021300043. The reversal of 1021300022 is 2200031201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1021300001) and next prime (1021300043).

It is a junction number, because it is equal to n+sod(n) for n = 1021299976 and 1021300012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11558 + ... + 46649.

It is an arithmetic number, because the mean of its divisors is an integer number (99186432).

Almost surely, 2^1021300022 is an apocalyptic number.

1021300022 is a deficient number, since it is larger than the sum of its proper divisors (565682890).

1021300022 is a wasteful number, since it uses less digits than its factorization.

1021300022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58523.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1021300022 is about 31957.7849983380. The cubic root of 1021300022 is about 1007.0501854089.

Adding to 1021300022 its reverse (2200031201), we get a palindrome (3221331223).

The spelling of 1021300022 in words is "one billion, twenty-one million, three hundred thousand, twenty-two".