121102361400 has 48 divisors (see below), whose sum is σ = 375417322200. Its totient is φ = 32293962880.

The previous prime is 121102361339. The next prime is 121102361411. The reversal of 121102361400 is 4163201121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100918035 + ... + 100919234.

Almost surely, 2^121102361400 is an apocalyptic number.

121102361400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102361400 is an abundant number, since it is smaller than the sum of its proper divisors (254314960800).

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

121102361400 is a wasteful number, since it uses less digits than its factorization.

121102361400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201837288 (or 201837279 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121102361400 its reverse (4163201121), we get a palindrome (125265562521).

The spelling of 121102361400 in words is "one hundred twenty-one billion, one hundred two million, three hundred sixty-one thousand, four hundred".