120122111202001 has 4 divisors (see below), whose sum is σ = 121360483482532. Its totient is φ = 118883738921472.

The previous prime is 120122111201999. The next prime is 120122111202017. The reversal of 120122111202001 is 100202111221021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32506520699601 + 87615590502400 = 5701449^2 + 9360320^2 .

It is a cyclic number.

It is not a de Polignac number, because 120122111202001 - 2¹ = 120122111201999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120122111202091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619186140120 + ... + 619186140313.

It is an arithmetic number, because the mean of its divisors is an integer number (30340120870633).

Almost surely, 2^{120122111202001} is an apocalyptic number.

It is an amenable number.

120122111202001 is a deficient number, since it is larger than the sum of its proper divisors (1238372280531).

120122111202001 is an equidigital number, since it uses as much as digits as its factorization.

120122111202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238372280530.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120122111202001 its reverse (100202111221021), we get a palindrome (220324222423022).

The spelling of 120122111202001 in words is "one hundred twenty trillion, one hundred twenty-two billion, one hundred eleven million, two hundred two thousand, one".