121120653360 has 160 divisors (see below), whose sum is σ = 430468733952. Its totient is φ = 27597265920.

The previous prime is 121120653323. The next prime is 121120653371. The reversal of 121120653360 is 63356021121.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 418845 + ... + 646275.

Almost surely, 2^121120653360 is an apocalyptic number.

121120653360 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 121120653360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215234366976).

121120653360 is an abundant number, since it is smaller than the sum of its proper divisors (309348080592).

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

121120653360 is a wasteful number, since it uses less digits than its factorization.

121120653360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227771 (or 227765 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 121120653360 its reverse (63356021121), we get a palindrome (184476674481).

The spelling of 121120653360 in words is "one hundred twenty-one billion, one hundred twenty million, six hundred fifty-three thousand, three hundred sixty".