122011220012111 has 8 divisors (see below), whose sum is σ = 124685919350784. Its totient is φ = 119339800504120.

The previous prime is 122011220012021. The next prime is 122011220012131. The reversal of 122011220012111 is 111210022110221.

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

It is a cyclic number.

It is not a de Polignac number, because 122011220012111 - 2³⁸ = 121736342105167 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 122011220012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011220012131) 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, 819882455 + ... + 820031256.

It is an arithmetic number, because the mean of its divisors is an integer number (15585739918848).

Almost surely, 2^{122011220012111} is an apocalyptic number.

122011220012111 is a deficient number, since it is larger than the sum of its proper divisors (2674699338673).

122011220012111 is a wasteful number, since it uses less digits than its factorization.

122011220012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639915341.

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

Adding to 122011220012111 its reverse (111210022110221), we get a palindrome (233221242122332).

The spelling of 122011220012111 in words is "one hundred twenty-two trillion, eleven billion, two hundred twenty million, twelve thousand, one hundred eleven".