20251102131120 has 160 divisors (see below), whose sum is σ = 71759879788032. Its totient is φ = 4627977025536.

The previous prime is 20251102131101. The next prime is 20251102131133. The reversal of 20251102131120 is 2113120115202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8112204 + ... + 10310676.

Almost surely, 2^{20251102131120} is an apocalyptic number.

20251102131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20251102131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35879939894016).

20251102131120 is an abundant number, since it is smaller than the sum of its proper divisors (51508777656912).

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

20251102131120 is a wasteful number, since it uses less digits than its factorization.

20251102131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203979 (or 2203973 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 20251102131120 its reverse (2113120115202), we get a palindrome (22364222246322).

The spelling of 20251102131120 in words is "twenty trillion, two hundred fifty-one billion, one hundred two million, one hundred thirty-one thousand, one hundred twenty".