122201220020111 has 8 divisors (see below), whose sum is σ = 125043258869760. Its totient is φ = 119359187989272.

The previous prime is 122201220020101. The next prime is 122201220020137. The reversal of 122201220020111 is 111020022102221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122201220020111 is a prime.

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 122201220020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201220020101) 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, 61440050 + ... + 63397808.

It is an arithmetic number, because the mean of its divisors is an integer number (15630407358720).

Almost surely, 2^{122201220020111} is an apocalyptic number.

122201220020111 is a deficient number, since it is larger than the sum of its proper divisors (2842038849649).

122201220020111 is a wasteful number, since it uses less digits than its factorization.

122201220020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409405.

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

Adding to 122201220020111 its reverse (111020022102221), we get a palindrome (233221242122332).

The spelling of 122201220020111 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twenty million, twenty thousand, one hundred eleven".