10131120421420 has 12 divisors (see below), whose sum is σ = 21275352885024. Its totient is φ = 4052448168560.

The previous prime is 10131120421399. The next prime is 10131120421439. The reversal of 10131120421420 is 2412402113101.

It is a super-3 number, since 3×10131120421420³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10131120421391 and 10131120421400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253278010516 + ... + 253278010555.

It is an arithmetic number, because the mean of its divisors is an integer number (1772946073752).

Almost surely, 2^{10131120421420} is an apocalyptic number.

10131120421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10131120421420 is an abundant number, since it is smaller than the sum of its proper divisors (11144232463604).

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

10131120421420 is a wasteful number, since it uses less digits than its factorization.

10131120421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506556021080 (or 506556021078 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10131120421420 its reverse (2412402113101), we get a palindrome (12543522534521).

The spelling of 10131120421420 in words is "ten trillion, one hundred thirty-one billion, one hundred twenty million, four hundred twenty-one thousand, four hundred twenty".