121101221121122 has 64 divisors (see below), whose sum is σ = 200495243520000. Its totient is φ = 54401601672000.

The previous prime is 121101221121103. The next prime is 121101221121149. The reversal of 121101221121122 is 221121122101121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121101221121094 and 121101221121103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2238815297 + ... + 2238869387.

It is an arithmetic number, because the mean of its divisors is an integer number (3132738180000).

Almost surely, 2^{121101221121122} is an apocalyptic number.

121101221121122 is a deficient number, since it is larger than the sum of its proper divisors (79394022398878).

121101221121122 is a wasteful number, since it uses less digits than its factorization.

121101221121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56583.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 121101221121122 its reverse (221121122101121), we get a palindrome (342222343222243).

The spelling of 121101221121122 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-two".