1020103021232 has 40 divisors (see below), whose sum is σ = 2044750377600. Its totient is φ = 492498800640.

The previous prime is 1020103021159. The next prime is 1020103021237. The reversal of 1020103021232 is 2321203010201.

It is a super-2 number, since 2×1020103021232² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020103021232.

It is not an unprimeable number, because it can be changed into a prime (1020103021237) 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, 2067563 + ... + 2512970.

It is an arithmetic number, because the mean of its divisors is an integer number (51118759440).

Almost surely, 2^{1020103021232} is an apocalyptic number.

It is an amenable number.

1020103021232 is an abundant number, since it is smaller than the sum of its proper divisors (1024647356368).

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

1020103021232 is a wasteful number, since it uses less digits than its factorization.

1020103021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581021 (or 4581015 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1020103021232 its reverse (2321203010201), we get a palindrome (3341306031433).

The spelling of 1020103021232 in words is "one trillion, twenty billion, one hundred three million, twenty-one thousand, two hundred thirty-two".