121320034501 has 4 divisors (see below), whose sum is σ = 121803381504. Its totient is φ = 120836687500.

The previous prime is 121320034453. The next prime is 121320034519. The reversal of 121320034501 is 105430023121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121320034501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320044501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241673125 + ... + 241673626.

It is an arithmetic number, because the mean of its divisors is an integer number (30450845376).

Almost surely, 2^121320034501 is an apocalyptic number.

It is an amenable number.

121320034501 is a deficient number, since it is larger than the sum of its proper divisors (483347003).

121320034501 is an equidigital number, since it uses as much as digits as its factorization.

121320034501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483347002.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 121320034501 its reverse (105430023121), we get a palindrome (226750057622).

The spelling of 121320034501 in words is "one hundred twenty-one billion, three hundred twenty million, thirty-four thousand, five hundred one".