122111012221010 has 16 divisors (see below), whose sum is σ = 220904343720000. Its totient is φ = 48598955616816.

The previous prime is 122111012220997. The next prime is 122111012221057. The reversal of 122111012221010 is 10122210111221.

It is a super-2 number, since 2×122111012221010² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122111012221010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30681156860 + ... + 30681160839.

It is an arithmetic number, because the mean of its divisors is an integer number (13806521482500).

Almost surely, 2^{122111012221010} is an apocalyptic number.

122111012221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111012221010 is a deficient number, since it is larger than the sum of its proper divisors (98793331498990).

122111012221010 is a wasteful number, since it uses less digits than its factorization.

122111012221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61362317905.

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

Adding to 122111012221010 its reverse (10122210111221), we get a palindrome (132233222332231).

The spelling of 122111012221010 in words is "one hundred twenty-two trillion, one hundred eleven billion, twelve million, two hundred twenty-one thousand, ten".