121102122 has 16 divisors (see below), whose sum is σ = 244926720. Its totient is φ = 39913632.

The previous prime is 121102049. The next prime is 121102129. The reversal of 121102122 is 221201121.

It is a junction number, because it is equal to n+sod(n) for n = 121102098 and 121102107.

It is not an unprimeable number, because it can be changed into a prime (121102129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112858 + ... + 113925.

It is an arithmetic number, because the mean of its divisors is an integer number (15307920).

Almost surely, 2^121102122 is an apocalyptic number.

121102122 is an abundant number, since it is smaller than the sum of its proper divisors (123824598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121102122 is a wasteful number, since it uses less digits than its factorization.

121102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226877.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 121102122 is about 11004.6409300804. The cubic root of 121102122 is about 494.7478523989.

Adding to 121102122 its reverse (221201121), we get a palindrome (342303243).

The spelling of 121102122 in words is "one hundred twenty-one million, one hundred two thousand, one hundred twenty-two".