122102212212111 has 16 divisors (see below), whose sum is σ = 163460800113408. Its totient is φ = 81072586200000.

The previous prime is 122102212211999. The next prime is 122102212212137. The reversal of 122102212212111 is 111212212201221.

It is not a de Polignac number, because 122102212212111 - 2¹⁰ = 122102212211087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102212212161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8784886 + ... + 17927036.

It is an arithmetic number, because the mean of its divisors is an integer number (10216300007088).

Almost surely, 2^{122102212212111} is an apocalyptic number.

122102212212111 is a deficient number, since it is larger than the sum of its proper divisors (41358587901297).

122102212212111 is a wasteful number, since it uses less digits than its factorization.

122102212212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160142.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122102212212111 its reverse (111212212201221), we get a palindrome (233314424413332).

The spelling of 122102212212111 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred twelve million, two hundred twelve thousand, one hundred eleven".