121100102220102 has 8 divisors (see below), whose sum is σ = 242200204440216. Its totient is φ = 40366700740032.

The previous prime is 121100102220079. The next prime is 121100102220109. The reversal of 121100102220102 is 201022201001121.

It is a sphenic number, since it is the product of 3 distinct primes.

121100102220102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100102220109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10091675185003 + ... + 10091675185014.

It is an arithmetic number, because the mean of its divisors is an integer number (30275025555027).

Almost surely, 2^{121100102220102} is an apocalyptic number.

121100102220102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121100102220102 is a wasteful number, since it uses less digits than its factorization.

121100102220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20183350370022.

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

Adding to 121100102220102 its reverse (201022201001121), we get a palindrome (322122303221223).

The spelling of 121100102220102 in words is "one hundred twenty-one trillion, one hundred billion, one hundred two million, two hundred twenty thousand, one hundred two".