1022021223132 has 96 divisors (see below), whose sum is σ = 2972187904000. Its totient is φ = 266132086272.

The previous prime is 1022021223131. The next prime is 1022021223133. The reversal of 1022021223132 is 2313221202201.

It is an interprime number because it is at equal distance from previous prime (1022021223131) and next prime (1022021223133).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1022021223099 and 1022021223108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022021223131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5837257 + ... + 6009792.

Almost surely, 2^{1022021223132} is an apocalyptic number.

1022021223132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022021223132 is an abundant number, since it is smaller than the sum of its proper divisors (1950166680868).

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

1022021223132 is a wasteful number, since it uses less digits than its factorization.

1022021223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11847155 (or 11847153 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1022021223132 its reverse (2313221202201), we get a palindrome (3335242425333).

The spelling of 1022021223132 in words is "one trillion, twenty-two billion, twenty-one million, two hundred twenty-three thousand, one hundred thirty-two".