120102121100001 has 32 divisors (see below), whose sum is σ = 165279768192000. Its totient is φ = 77518672738560.

The previous prime is 120102121099969. The next prime is 120102121100053. The reversal of 120102121100001 is 100001121201021.

It is not a de Polignac number, because 120102121100001 - 2⁵ = 120102121099969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120102121100001.

It is not an unprimeable number, because it can be changed into a prime (120102121150001) 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, 15319771 + ... + 21792191.

It is an arithmetic number, because the mean of its divisors is an integer number (5164992756000).

Almost surely, 2^{120102121100001} is an apocalyptic number.

It is an amenable number.

120102121100001 is a deficient number, since it is larger than the sum of its proper divisors (45177647091999).

120102121100001 is a wasteful number, since it uses less digits than its factorization.

120102121100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6473289.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120102121100001 its reverse (100001121201021), we get a palindrome (220103242301022).

The spelling of 120102121100001 in words is "one hundred twenty trillion, one hundred two billion, one hundred twenty-one million, one hundred thousand, one".