122111211001210 has 64 divisors (see below), whose sum is σ = 222521498559360. Its totient is φ = 48241862922240.

The previous prime is 122111211001141. The next prime is 122111211001223. The reversal of 122111211001210 is 12100112111221.

It is a super-2 number, since 2×122111211001210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1960114782 + ... + 1960177078.

It is an arithmetic number, because the mean of its divisors is an integer number (3476898414990).

Almost surely, 2^{122111211001210} is an apocalyptic number.

122111211001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111211001210 is a deficient number, since it is larger than the sum of its proper divisors (100410287558150).

122111211001210 is a wasteful number, since it uses less digits than its factorization.

122111211001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66511.

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

Adding to 122111211001210 its reverse (12100112111221), we get a palindrome (134211323112431).

The spelling of 122111211001210 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred eleven million, one thousand, two hundred ten".