121213122110 has 8 divisors (see below), whose sum is σ = 218183619816. Its totient is φ = 48485248840.

The previous prime is 121213122097. The next prime is 121213122127. The reversal of 121213122110 is 11221312121.

It is a happy number.

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, 6060656096 + ... + 6060656115.

It is an arithmetic number, because the mean of its divisors is an integer number (27272952477).

Almost surely, 2^121213122110 is an apocalyptic number.

121213122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121213122110 is a deficient number, since it is larger than the sum of its proper divisors (96970497706).

121213122110 is a wasteful number, since it uses less digits than its factorization.

121213122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12121312218.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121213122110 its reverse (11221312121), we get a palindrome (132434434231).

The spelling of 121213122110 in words is "one hundred twenty-one billion, two hundred thirteen million, one hundred twenty-two thousand, one hundred ten".