1010232120321 has 24 divisors (see below), whose sum is σ = 1475388645120. Its totient is φ = 666043092000.

The previous prime is 1010232120299. The next prime is 1010232120347. The reversal of 1010232120321 is 1230212320101.

1010232120321 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 2 + 321 + 20 + 321 = 666.

It is not a de Polignac number, because 1010232120321 - 2⁷ = 1010232120193 is a prime.

It is a super-2 number, since 2×1010232120321² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010232120294 and 1010232120303.

It is not an unprimeable number, because it can be changed into a prime (1010232120421) 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, 133936 + ... + 1427726.

It is an arithmetic number, because the mean of its divisors is an integer number (61474526880).

Almost surely, 2^{1010232120321} is an apocalyptic number.

It is an amenable number.

1010232120321 is a deficient number, since it is larger than the sum of its proper divisors (465156524799).

1010232120321 is a wasteful number, since it uses less digits than its factorization.

1010232120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294757 (or 1294754 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1010232120321 its reverse (1230212320101), we get a palindrome (2240444440422).

The spelling of 1010232120321 in words is "one trillion, ten billion, two hundred thirty-two million, one hundred twenty thousand, three hundred twenty-one".