121101212111122 has 32 divisors (see below), whose sum is σ = 187829569926144. Its totient is φ = 58498001452800.

The previous prime is 121101212111039. The next prime is 121101212111149. The reversal of 121101212111122 is 221111212101121.

It is a self number, because there is not a number n which added to its sum of digits gives 121101212111122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361985158 + ... + 362319550.

It is an arithmetic number, because the mean of its divisors is an integer number (5869674060192).

Almost surely, 2^{121101212111122} is an apocalyptic number.

121101212111122 is a deficient number, since it is larger than the sum of its proper divisors (66728357815022).

121101212111122 is a wasteful number, since it uses less digits than its factorization.

121101212111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344314.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 121101212111122 its reverse (221111212101121), we get a palindrome (342212424212243).

The spelling of 121101212111122 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty-two".