2211121102012 has 12 divisors (see below), whose sum is σ = 3872492056440. Its totient is φ = 1104694800176.

The previous prime is 2211121101997. The next prime is 2211121102051. The reversal of 2211121102012 is 2102011211122.

It is a super-2 number, since 2×2211121102012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216431962 + ... + 216442177.

It is an arithmetic number, because the mean of its divisors is an integer number (322707671370).

Almost surely, 2^{2211121102012} is an apocalyptic number.

It is an amenable number.

2211121102012 is a deficient number, since it is larger than the sum of its proper divisors (1661370954428).

2211121102012 is a wasteful number, since it uses less digits than its factorization.

2211121102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432875420 (or 432875418 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2211121102012 its reverse (2102011211122), we get a palindrome (4313132313134).

The spelling of 2211121102012 in words is "two trillion, two hundred eleven billion, one hundred twenty-one million, one hundred two thousand, twelve".