121121102012102 has 8 divisors (see below), whose sum is σ = 181681699711512. Its totient is φ = 60560535441600.

The previous prime is 121121102012017. The next prime is 121121102012129. The reversal of 121121102012102 is 201210201121121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11548577 + ... + 19380707.

It is an arithmetic number, because the mean of its divisors is an integer number (22710212463939).

Almost surely, 2^{121121102012102} is an apocalyptic number.

121121102012102 is a deficient number, since it is larger than the sum of its proper divisors (60560597699410).

121121102012102 is an equidigital number, since it uses as much as digits as its factorization.

121121102012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15564454.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121121102012102 its reverse (201210201121121), we get a palindrome (322331303133223).

The spelling of 121121102012102 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, one hundred two million, twelve thousand, one hundred two".