121002132311 has 8 divisors (see below), whose sum is σ = 125092594704. Its totient is φ = 116969690880.

The previous prime is 121002132299. The next prime is 121002132323. The reversal of 121002132311 is 113231200121.

It is an interprime number because it is at equal distance from previous prime (121002132299) and next prime (121002132323).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121002132311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121002132311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002132331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14501000 + ... + 14509341.

It is an arithmetic number, because the mean of its divisors is an integer number (15636574338).

Almost surely, 2^121002132311 is an apocalyptic number.

121002132311 is a deficient number, since it is larger than the sum of its proper divisors (4090462393).

121002132311 is an equidigital number, since it uses as much as digits as its factorization.

121002132311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29010481.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121002132311 its reverse (113231200121), we get a palindrome (234233332432).

The spelling of 121002132311 in words is "one hundred twenty-one billion, two million, one hundred thirty-two thousand, three hundred eleven".