131121022230000 has 1200 divisors, whose sum is σ = 522743061874176. Its totient is φ = 30360718080000.

The previous prime is 131121022229969. The next prime is 131121022230001. The reversal of 131121022230000 is 32220121131.

131121022230000 is a `hidden beast` number, since 131 + 1 + 2 + 10 + 222 + 300 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1200).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131121022230001) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 17236886197 + ... + 17236893803.

Almost surely, 2^{131121022230000} is an apocalyptic number.

131121022230000 is a gapful number since it is divisible by the number (10) 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 131121022230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261371530937088).

131121022230000 is an abundant number, since it is smaller than the sum of its proper divisors (391622039644176).

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

131121022230000 is a wasteful number, since it uses less digits than its factorization.

131121022230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8432 (or 8408 counting only the distinct ones).

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

Adding to 131121022230000 its reverse (32220121131), we get a palindrome (131153242351131).

The spelling of 131121022230000 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, twenty-two million, two hundred thirty thousand".