1020112323102 has 12 divisors (see below), whose sum is σ = 2210243366760. Its totient is φ = 340037441028.

The previous prime is 1020112323101. The next prime is 1020112323121. The reversal of 1020112323102 is 2013232110201.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56672906839 = 1020112323102 / (1 + 0 + 2 + 0 + 1 + 1 + 2 + 3 + 2 + 3 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020112323101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28336453402 + ... + 28336453437.

It is an arithmetic number, because the mean of its divisors is an integer number (184186947230).

Almost surely, 2^{1020112323102} is an apocalyptic number.

1020112323102 is an abundant number, since it is smaller than the sum of its proper divisors (1190131043658).

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

1020112323102 is a wasteful number, since it uses less digits than its factorization.

1020112323102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56672906847 (or 56672906844 counting only the distinct ones).

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

Adding to 1020112323102 its reverse (2013232110201), we get a palindrome (3033344433303).

The spelling of 1020112323102 in words is "one trillion, twenty billion, one hundred twelve million, three hundred twenty-three thousand, one hundred two".