122111200201121 has 4 divisors (see below), whose sum is σ = 122111243755200. Its totient is φ = 122111156647044.

The previous prime is 122111200201031. The next prime is 122111200201153. The reversal of 122111200201121 is 121102002111221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122111200201121 - 2⁴⁶ = 51742456023457 is a prime.

It is a super-2 number, since 2×122111200201121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122111200201121.

It is not an unprimeable number, because it can be changed into a prime (122111200201181) 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, 17259101 + ... + 23283018.

It is an arithmetic number, because the mean of its divisors is an integer number (30527810938800).

Almost surely, 2^{122111200201121} is an apocalyptic number.

It is an amenable number.

122111200201121 is a deficient number, since it is larger than the sum of its proper divisors (43554079).

122111200201121 is an equidigital number, since it uses as much as digits as its factorization.

122111200201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43554078.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122111200201121 its reverse (121102002111221), we get a palindrome (243213202312342).

The spelling of 122111200201121 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred million, two hundred one thousand, one hundred twenty-one".