122012111010101 has 4 divisors (see below), whose sum is σ = 131397658010892. Its totient is φ = 112626564009312.

The previous prime is 122012111010079. The next prime is 122012111010107. The reversal of 122012111010101 is 101010111210221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29187557307601 + 92824553702500 = 5402551^2 + 9634550^2 .

It is a cyclic number.

It is not a de Polignac number, because 122012111010101 - 2⁶ = 122012111010037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012111010107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4692773500376 + ... + 4692773500401.

It is an arithmetic number, because the mean of its divisors is an integer number (32849414502723).

Almost surely, 2^{122012111010101} is an apocalyptic number.

It is an amenable number.

122012111010101 is a deficient number, since it is larger than the sum of its proper divisors (9385547000791).

122012111010101 is an equidigital number, since it uses as much as digits as its factorization.

122012111010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9385547000790.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 122012111010101 its reverse (101010111210221), we get a palindrome (223022222220322).

The spelling of 122012111010101 in words is "one hundred twenty-two trillion, twelve billion, one hundred eleven million, ten thousand, one hundred one".