1032220022021 has 4 divisors (see below), whose sum is σ = 1060117860492. Its totient is φ = 1004322183552.

The previous prime is 1032220021979. The next prime is 1032220022047. The reversal of 1032220022021 is 1202200222301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 983925124900 + 48294897121 = 991930^2 + 219761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1032220022021 is a prime.

It is a super-2 number, since 2×1032220022021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032220022621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13948919180 + ... + 13948919253.

It is an arithmetic number, because the mean of its divisors is an integer number (265029465123).

Almost surely, 2^{1032220022021} is an apocalyptic number.

It is an amenable number.

1032220022021 is a deficient number, since it is larger than the sum of its proper divisors (27897838471).

1032220022021 is an equidigital number, since it uses as much as digits as its factorization.

1032220022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27897838470.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1032220022021 its reverse (1202200222301), we get a palindrome (2234420244322).

The spelling of 1032220022021 in words is "one trillion, thirty-two billion, two hundred twenty million, twenty-two thousand, twenty-one".