122121110 has 8 divisors (see below), whose sum is σ = 219818016. Its totient is φ = 48848440.

The previous prime is 122121107. The next prime is 122121119. The reversal of 122121110 is 11121221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122121091 and 122121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6106046 + ... + 6106065.

It is an arithmetic number, because the mean of its divisors is an integer number (27477252).

Almost surely, 2^122121110 is an apocalyptic number.

122121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122121110 is a deficient number, since it is larger than the sum of its proper divisors (97696906).

122121110 is a wasteful number, since it uses less digits than its factorization.

122121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212118.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 122121110 is about 11050.8420493644. The cubic root of 122121110 is about 496.1316285885.

Adding to 122121110 its reverse (11121221), we get a palindrome (133242331).

It can be divided in two parts, 1221211 and 10, that added together give a palindrome (1221221).

The spelling of 122121110 in words is "one hundred twenty-two million, one hundred twenty-one thousand, one hundred ten".