121102121000202 has 16 divisors (see below), whose sum is σ = 242204441906880. Its totient is φ = 40367340348992.

The previous prime is 121102121000173. The next prime is 121102121000207. The reversal of 121102121000202 is 202000121201121.

It is not an unprimeable number, because it can be changed into a prime (121102121000207) 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, 221074 + ... + 15564482.

It is an arithmetic number, because the mean of its divisors is an integer number (15137777619180).

Almost surely, 2^{121102121000202} is an apocalyptic number.

121102121000202 is an abundant number, since it is smaller than the sum of its proper divisors (121102320906678).

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

121102121000202 is a wasteful number, since it uses less digits than its factorization.

121102121000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16658877.

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

Adding to 121102121000202 its reverse (202000121201121), we get a palindrome (323102242201323).

The spelling of 121102121000202 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred twenty-one million, two hundred two", and thus it is an aban number.