121102212102 has 16 divisors (see below), whose sum is σ = 247837085760. Its totient is φ = 39428627112.

The previous prime is 121102212073. The next prime is 121102212139. The reversal of 121102212102 is 201212201121.

121102212102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×121102212102³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234693952 + ... + 234694467.

It is an arithmetic number, because the mean of its divisors is an integer number (15489817860).

Almost surely, 2^121102212102 is an apocalyptic number.

121102212102 is an abundant number, since it is smaller than the sum of its proper divisors (126734873658).

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

121102212102 is a wasteful number, since it uses less digits than its factorization.

121102212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469388467.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121102212102 its reverse (201212201121), we get a palindrome (322314413223).

The spelling of 121102212102 in words is "one hundred twenty-one billion, one hundred two million, two hundred twelve thousand, one hundred two".