122211121111010 has 32 divisors (see below), whose sum is σ = 220068094147200. Its totient is φ = 48864877625088.

The previous prime is 122211121111003. The next prime is 122211121111039. The reversal of 122211121111010 is 10111121112221.

It is a self number, because there is not a number n which added to its sum of digits gives 122211121111010.

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 15 ways as a sum of consecutive naturals, for example, 676968419 + ... + 677148921.

It is an arithmetic number, because the mean of its divisors is an integer number (6877127942100).

Almost surely, 2^{122211121111010} is an apocalyptic number.

122211121111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122211121111010 is a deficient number, since it is larger than the sum of its proper divisors (97856973036190).

122211121111010 is a wasteful number, since it uses less digits than its factorization.

122211121111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207242.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 122211121111010 its reverse (10111121112221), we get a palindrome (132322242223231).

The spelling of 122211121111010 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred twenty-one million, one hundred eleven thousand, ten".