122221101021110 has 96 divisors (see below), whose sum is σ = 275313517686720. Its totient is φ = 38246345938944.

The previous prime is 122221101021023. The next prime is 122221101021161. The reversal of 122221101021110 is 11120101122221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56989007 + ... + 59094746.

It is an arithmetic number, because the mean of its divisors is an integer number (2867849142570).

Almost surely, 2^{122221101021110} is an apocalyptic number.

122221101021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221101021110 is an abundant number, since it is smaller than the sum of its proper divisors (153092416665610).

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

122221101021110 is a wasteful number, since it uses less digits than its factorization.

122221101021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116083882 (or 116083869 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122221101021110 its reverse (11120101122221), we get a palindrome (133341202143331).

The spelling of 122221101021110 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred one million, twenty-one thousand, one hundred ten".