122101221212110 has 64 divisors (see below), whose sum is σ = 256308876720000. Its totient is φ = 41862768493056.

The previous prime is 122101221212101. The next prime is 122101221212137. The reversal of 122101221212110 is 11212122101221.

It is a happy number.

It is a super-2 number, since 2×122101221212110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381080934 + ... + 381401206.

It is an arithmetic number, because the mean of its divisors is an integer number (4004826198750).

Almost surely, 2^{122101221212110} is an apocalyptic number.

122101221212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122101221212110 is an abundant number, since it is smaller than the sum of its proper divisors (134207655507890).

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

122101221212110 is a wasteful number, since it uses less digits than its factorization.

122101221212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431450 (or 431436 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122101221212110 its reverse (11212122101221), we get a palindrome (133313343313331).

The spelling of 122101221212110 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twenty-one million, two hundred twelve thousand, one hundred ten".