122121201111122 has 8 divisors (see below), whose sum is σ = 191146227826176. Its totient is φ = 58405791835732.

The previous prime is 122121201111043. The next prime is 122121201111179. The reversal of 122121201111122 is 221111102121221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 122121201111094 and 122121201111103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327404359858 + ... + 1327404359949.

It is an arithmetic number, because the mean of its divisors is an integer number (23893278478272).

Almost surely, 2^{122121201111122} is an apocalyptic number.

122121201111122 is a deficient number, since it is larger than the sum of its proper divisors (69025026715054).

122121201111122 is a wasteful number, since it uses less digits than its factorization.

122121201111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654808719832.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 122121201111122 its reverse (221111102121221), we get a palindrome (343232303232343).

The spelling of 122121201111122 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred one million, one hundred eleven thousand, one hundred twenty-two".