121022210222110 has 16 divisors (see below), whose sum is σ = 229305240421200. Its totient is φ = 45861048084096.

The previous prime is 121022210222101. The next prime is 121022210222149. The reversal of 121022210222110 is 11222012220121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318479500395 + ... + 318479500774.

It is an arithmetic number, because the mean of its divisors is an integer number (14331577526325).

Almost surely, 2^{121022210222110} is an apocalyptic number.

121022210222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022210222110 is a deficient number, since it is larger than the sum of its proper divisors (108283030199090).

121022210222110 is a wasteful number, since it uses less digits than its factorization.

121022210222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636959001195.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121022210222110 its reverse (11222012220121), we get a palindrome (132244222442231).

The spelling of 121022210222110 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred ten million, two hundred twenty-two thousand, one hundred ten".