2111122001208 has 128 divisors (see below), whose sum is σ = 6170313438720. Its totient is φ = 595380994560.

The previous prime is 2111122001201. The next prime is 2111122001221. The reversal of 2111122001208 is 8021002211112.

It is a super-2 number, since 2×2111122001208² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111122001201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4473735 + ... + 4923062.

It is an arithmetic number, because the mean of its divisors is an integer number (48205573740).

Almost surely, 2^{2111122001208} is an apocalyptic number.

It is an amenable number.

2111122001208 is an abundant number, since it is smaller than the sum of its proper divisors (4059191437512).

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

2111122001208 is a wasteful number, since it uses less digits than its factorization.

2111122001208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9396877 (or 9396873 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 2111122001208 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, one thousand, two hundred eight".