122221221210110 has 32 divisors (see below), whose sum is σ = 250432731528192. Its totient is φ = 42511729115680.

The previous prime is 122221221210091. The next prime is 122221221210113. The reversal of 122221221210110 is 11012122122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221221210113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24154389014 + ... + 24154394073.

It is an arithmetic number, because the mean of its divisors is an integer number (7826022860256).

Almost surely, 2^{122221221210110} is an apocalyptic number.

122221221210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221221210110 is an abundant number, since it is smaller than the sum of its proper divisors (128211510318082).

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

122221221210110 is a wasteful number, since it uses less digits than its factorization.

122221221210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48308783128.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122221221210110 its reverse (11012122122221), we get a palindrome (133233343332331).

The spelling of 122221221210110 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred ten thousand, one hundred ten".