121102102121122 has 32 divisors (see below), whose sum is σ = 187715786618880. Its totient is φ = 58534408693440.

The previous prime is 121102102121083. The next prime is 121102102121131. The reversal of 121102102121122 is 221121201201121.

It is a happy number.

It is a super-2 number, since 2×121102102121122² (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 121102102121122.

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, 863286004 + ... + 863426272.

It is an arithmetic number, because the mean of its divisors is an integer number (5866118331840).

Almost surely, 2^{121102102121122} is an apocalyptic number.

121102102121122 is a deficient number, since it is larger than the sum of its proper divisors (66613684497758).

121102102121122 is a wasteful number, since it uses less digits than its factorization.

121102102121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155266.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121102102121122 its reverse (221121201201121), we get a palindrome (342223303322243).

The spelling of 121102102121122 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred two million, one hundred twenty-one thousand, one hundred twenty-two".