121120220012001 has 32 divisors (see below), whose sum is σ = 184722160939008. Its totient is φ = 69152307344640.

The previous prime is 121120220011979. The next prime is 121120220012009. The reversal of 121120220012001 is 100210022021121.

It is not a de Polignac number, because 121120220012001 - 2³³ = 121111630077409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121120220012009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330555786 + ... + 330921996.

It is an arithmetic number, because the mean of its divisors is an integer number (5772567529344).

Almost surely, 2^{121120220012001} is an apocalyptic number.

It is an amenable number.

121120220012001 is a deficient number, since it is larger than the sum of its proper divisors (63601940927007).

121120220012001 is a wasteful number, since it uses less digits than its factorization.

121120220012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379661.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121120220012001 its reverse (100210022021121), we get a palindrome (221330242033122).

The spelling of 121120220012001 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred twenty million, twelve thousand, one".