1023020100102 has 128 divisors (see below), whose sum is σ = 2784764021760. Its totient is φ = 241919447040.

The previous prime is 1023020100073. The next prime is 1023020100139. The reversal of 1023020100102 is 2010010203201.

It is a super-2 number, since 2×1023020100102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 728227 + ... + 1605102.

It is an arithmetic number, because the mean of its divisors is an integer number (21755968920).

Almost surely, 2^{1023020100102} is an apocalyptic number.

1023020100102 is an abundant number, since it is smaller than the sum of its proper divisors (1761743921658).

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

1023020100102 is a wasteful number, since it uses less digits than its factorization.

1023020100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333438.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1023020100102 its reverse (2010010203201), we get a palindrome (3033030303303).

The spelling of 1023020100102 in words is "one trillion, twenty-three billion, twenty million, one hundred thousand, one hundred two".