121421301120 has 192 divisors, whose sum is σ = 479180651040. Its totient is φ = 27753431040.

The previous prime is 121421301107. The next prime is 121421301139. The reversal of 121421301120 is 21103124121.

121421301120 is a `hidden beast` number, since 121 + 421 + 3 + 0 + 1 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a junction number, because it is equal to n+sod(n) for n = 121421301093 and 121421301102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1465401 + ... + 1546040.

Almost surely, 2^121421301120 is an apocalyptic number.

121421301120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121421301120 is an abundant number, since it is smaller than the sum of its proper divisors (357759349920).

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

121421301120 is a wasteful number, since it uses less digits than its factorization.

121421301120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011473 (or 3011458 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121421301120 its reverse (21103124121), we get a palindrome (142524425241).

The spelling of 121421301120 in words is "one hundred twenty-one billion, four hundred twenty-one million, three hundred one thousand, one hundred twenty".