122111011102 has 4 divisors (see below), whose sum is σ = 183166516656. Its totient is φ = 61055505550.

The previous prime is 122111011019. The next prime is 122111011111. The reversal of 122111011102 is 201110111221.

It is a happy number.

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

It is a super-2 number, since 2×122111011102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30527752774 + ... + 30527752777.

It is an arithmetic number, because the mean of its divisors is an integer number (45791629164).

Almost surely, 2^122111011102 is an apocalyptic number.

122111011102 is a deficient number, since it is larger than the sum of its proper divisors (61055505554).

122111011102 is an equidigital number, since it uses as much as digits as its factorization.

122111011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61055505553.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122111011102 its reverse (201110111221), we get a palindrome (323221122323).

The spelling of 122111011102 in words is "one hundred twenty-two billion, one hundred eleven million, eleven thousand, one hundred two".