120002121120001 has 16 divisors (see below), whose sum is σ = 126372091406400. Its totient is φ = 113637562288128.

The previous prime is 120002121119999. The next prime is 120002121120029. The reversal of 120002121120001 is 100021121200021.

It is a cyclic number.

It is not a de Polignac number, because 120002121120001 - 2¹ = 120002121119999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120002121120041) 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, 1206038085 + ... + 1206137581.

It is an arithmetic number, because the mean of its divisors is an integer number (7898255712900).

Almost surely, 2^{120002121120001} is an apocalyptic number.

It is an amenable number.

120002121120001 is a deficient number, since it is larger than the sum of its proper divisors (6369970286399).

120002121120001 is a wasteful number, since it uses less digits than its factorization.

120002121120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126048.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120002121120001 its reverse (100021121200021), we get a palindrome (220023242320022).

The spelling of 120002121120001 in words is "one hundred twenty trillion, two billion, one hundred twenty-one million, one hundred twenty thousand, one".