2112211111010 has 64 divisors (see below), whose sum is σ = 5104756387584. Its totient is φ = 607709088000.

The previous prime is 2112211110991. The next prime is 2112211111027. The reversal of 2112211111010 is 101111122112.

It is a super-2 number, since 2×2112211111010² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 31 ways as a sum of consecutive naturals, for example, 105495041 + ... + 105515060.

It is an arithmetic number, because the mean of its divisors is an integer number (79761818556).

Almost surely, 2^{2112211111010} is an apocalyptic number.

2112211111010 is an abundant number, since it is smaller than the sum of its proper divisors (2992545276574).

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

2112211111010 is a wasteful number, since it uses less digits than its factorization.

2112211111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211010139.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2112211111010 its reverse (101111122112), we get a palindrome (2213322233122).

It can be divided in two parts, 211221 and 1111010, that added together give a palindrome (1322231).

The spelling of 2112211111010 in words is "two trillion, one hundred twelve billion, two hundred eleven million, one hundred eleven thousand, ten".