1421113012420 has 48 divisors (see below), whose sum is σ = 3129536637360. Its totient is φ = 541325223936.

The previous prime is 1421113012321. The next prime is 1421113012441. The reversal of 1421113012420 is 242103111241.

It can be written as a sum of positive squares in 8 ways, for example, as 101587537984 + 1319525474436 = 318728^2 + 1148706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1421113012391 and 1421113012400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16739817 + ... + 16824496.

It is an arithmetic number, because the mean of its divisors is an integer number (65198679945).

Almost surely, 2^{1421113012420} is an apocalyptic number.

1421113012420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421113012420 is an abundant number, since it is smaller than the sum of its proper divisors (1708423624940).

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

1421113012420 is a wasteful number, since it uses less digits than its factorization.

1421113012420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33564424 (or 33564422 counting only the distinct ones).

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

Adding to 1421113012420 its reverse (242103111241), we get a palindrome (1663216123661).

The spelling of 1421113012420 in words is "one trillion, four hundred twenty-one billion, one hundred thirteen million, twelve thousand, four hundred twenty".