121123032102 has 64 divisors (see below), whose sum is σ = 275071104000. Its totient is φ = 39497406624.

The previous prime is 121123032089. The next prime is 121123032119. The reversal of 121123032102 is 201230321121.

121123032102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 334753 + ... + 595235.

It is an arithmetic number, because the mean of its divisors is an integer number (4297986000).

Almost surely, 2^121123032102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121123032102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137535552000).

121123032102 is an abundant number, since it is smaller than the sum of its proper divisors (153948071898).

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

121123032102 is a wasteful number, since it uses less digits than its factorization.

121123032102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260682 (or 260676 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121123032102 its reverse (201230321121), we get a palindrome (322353353223).

The spelling of 121123032102 in words is "one hundred twenty-one billion, one hundred twenty-three million, thirty-two thousand, one hundred two".