121101100020102 has 32 divisors (see below), whose sum is σ = 248798592184032. Its totient is φ = 39268076638464.

The previous prime is 121101100020101. The next prime is 121101100020143. The reversal of 121101100020102 is 201020001101121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101100020101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54150133 + ... + 56342160.

It is an arithmetic number, because the mean of its divisors is an integer number (7774956005751).

Almost surely, 2^{121101100020102} is an apocalyptic number.

121101100020102 is an abundant number, since it is smaller than the sum of its proper divisors (127697492163930).

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

121101100020102 is a wasteful number, since it uses less digits than its factorization.

121101100020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110497272.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121101100020102 its reverse (201020001101121), we get a palindrome (322121101121223).

The spelling of 121101100020102 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred million, twenty thousand, one hundred two".