2120111222201 has 8 divisors (see below), whose sum is σ = 2425376151744. Its totient is φ = 1815444267120.

The previous prime is 2120111222191. The next prime is 2120111222213. The reversal of 2120111222201 is 1022221110212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120111222201 - 2³⁰ = 2119037480377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120111222201.

It is not an unprimeable number, because it can be changed into a prime (2120111222291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149486015 + ... + 149500196.

It is an arithmetic number, because the mean of its divisors is an integer number (303172018968).

Almost surely, 2^{2120111222201} is an apocalyptic number.

It is an amenable number.

2120111222201 is a deficient number, since it is larger than the sum of its proper divisors (305264929543).

2120111222201 is a wasteful number, since it uses less digits than its factorization.

2120111222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298987231.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2120111222201 its reverse (1022221110212), we get a palindrome (3142332332413).

The spelling of 2120111222201 in words is "two trillion, one hundred twenty billion, one hundred eleven million, two hundred twenty-two thousand, two hundred one".