121425445110 has 48 divisors (see below), whose sum is σ = 294974969904. Its totient is φ = 31989942336.

The previous prime is 121425445079. The next prime is 121425445111. The reversal of 121425445110 is 11544524121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121425445111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87097 + ... + 500436.

It is an arithmetic number, because the mean of its divisors is an integer number (6145311873).

Almost surely, 2^121425445110 is an apocalyptic number.

121425445110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121425445110 is an abundant number, since it is smaller than the sum of its proper divisors (173549524794).

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

121425445110 is an equidigital number, since it uses as much as digits as its factorization.

121425445110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587709 (or 587626 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 121425445110 its reverse (11544524121), we get a palindrome (132969969231).

The spelling of 121425445110 in words is "one hundred twenty-one billion, four hundred twenty-five million, four hundred forty-five thousand, one hundred ten".