121430211144100 has 36 divisors (see below), whose sum is σ = 269631547917424. Its totient is φ = 47442501096480.

The previous prime is 121430211144079. The next prime is 121430211144107. The reversal of 121430211144100 is 1441112034121.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (121430211144107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14119787694 + ... + 14119796293.

Almost surely, 2^{121430211144100} is an apocalyptic number.

121430211144100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121430211144100 is an abundant number, since it is smaller than the sum of its proper divisors (148201336773324).

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

121430211144100 is a wasteful number, since it uses less digits than its factorization.

121430211144100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28239584044 (or 28239584037 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 121430211144100 its reverse (1441112034121), we get a palindrome (122871323178221).

The spelling of 121430211144100 in words is "one hundred twenty-one trillion, four hundred thirty billion, two hundred eleven million, one hundred forty-four thousand, one hundred".