121401132001 has 16 divisors (see below), whose sum is σ = 127947396096. Its totient is φ = 114961206096.

The previous prime is 121401131989. The next prime is 121401132053. The reversal of 121401132001 is 100231104121.

It is a cyclic number.

It is not a de Polignac number, because 121401132001 - 2³⁵ = 87041393633 is a prime.

It is a super-2 number, since 2×121401132001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121401132091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11846986 + ... + 11857228.

It is an arithmetic number, because the mean of its divisors is an integer number (7996712256).

Almost surely, 2^121401132001 is an apocalyptic number.

It is an amenable number.

121401132001 is a deficient number, since it is larger than the sum of its proper divisors (6546264095).

121401132001 is a wasteful number, since it uses less digits than its factorization.

121401132001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15372.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121401132001 its reverse (100231104121), we get a palindrome (221632236122).

The spelling of 121401132001 in words is "one hundred twenty-one billion, four hundred one million, one hundred thirty-two thousand, one".