122021021110 has 16 divisors (see below), whose sum is σ = 220775861376. Its totient is φ = 48555514368.

The previous prime is 122021021077. The next prime is 122021021153. The reversal of 122021021110 is 11120120221.

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, 31609734 + ... + 31613593.

It is an arithmetic number, because the mean of its divisors is an integer number (13798491336).

Almost surely, 2^122021021110 is an apocalyptic number.

122021021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122021021110 is a deficient number, since it is larger than the sum of its proper divisors (98754840266).

122021021110 is a wasteful number, since it uses less digits than its factorization.

122021021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63223527.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122021021110 its reverse (11120120221), we get a palindrome (133141141331).

The spelling of 122021021110 in words is "one hundred twenty-two billion, twenty-one million, twenty-one thousand, one hundred ten".