122220201002111 has 2 divisors, whose sum is σ = 122220201002112. Its totient is φ = 122220201002110.

The previous prime is 122220201002099. The next prime is 122220201002117. The reversal of 122220201002111 is 111200102022221.

It is a strong prime.

It is an emirp because it is prime and its reverse (111200102022221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122220201002111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122220201002111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122220201002117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110100501055 + 61110100501056.

It is an arithmetic number, because the mean of its divisors is an integer number (61110100501056).

Almost surely, 2^{122220201002111} is an apocalyptic number.

122220201002111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220201002111 is an equidigital number, since it uses as much as digits as its factorization.

122220201002111 is an evil number, because the sum of its binary digits is even.

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

Adding to 122220201002111 its reverse (111200102022221), we get a palindrome (233420303024332).

The spelling of 122220201002111 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred one million, two thousand, one hundred eleven".