121425521110 has 8 divisors (see below), whose sum is σ = 218565938016. Its totient is φ = 48570208440.

The previous prime is 121425521099. The next prime is 121425521123. The reversal of 121425521110 is 11125524121.

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, 6071276046 + ... + 6071276065.

It is an arithmetic number, because the mean of its divisors is an integer number (27320742252).

Almost surely, 2^121425521110 is an apocalyptic number.

121425521110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121425521110 is a deficient number, since it is larger than the sum of its proper divisors (97140416906).

121425521110 is a wasteful number, since it uses less digits than its factorization.

121425521110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12142552118.

The product of its (nonzero) digits is 800, while the sum is 25.

The spelling of 121425521110 in words is "one hundred twenty-one billion, four hundred twenty-five million, five hundred twenty-one thousand, one hundred ten".