121102220120122 has 32 divisors (see below), whose sum is σ = 193140403815744. Its totient is φ = 56751856800000.

The previous prime is 121102220120093. The next prime is 121102220120129. The reversal of 121102220120122 is 221021022201121.

It is a super-2 number, since 2×121102220120122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121102220120122.

It is not an unprimeable number, because it can be changed into a prime (121102220120129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45497872 + ... + 48085972.

It is an arithmetic number, because the mean of its divisors is an integer number (6035637619242).

Almost surely, 2^{121102220120122} is an apocalyptic number.

121102220120122 is a deficient number, since it is larger than the sum of its proper divisors (72038183695622).

121102220120122 is a wasteful number, since it uses less digits than its factorization.

121102220120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593854.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121102220120122 its reverse (221021022201121), we get a palindrome (342123242321243).

The spelling of 121102220120122 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty million, one hundred twenty thousand, one hundred twenty-two".