2011100222012 has 24 divisors (see below), whose sum is σ = 4067393712480. Its totient is φ = 852215823360.

The previous prime is 2011100221987. The next prime is 2011100222017. The reversal of 2011100222012 is 2102220011102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011100222017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403508789 + ... + 403513772.

It is an arithmetic number, because the mean of its divisors is an integer number (169474738020).

Almost surely, 2^{2011100222012} is an apocalyptic number.

It is an amenable number.

2011100222012 is an abundant number, since it is smaller than the sum of its proper divisors (2056293490468).

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

2011100222012 is a wasteful number, since it uses less digits than its factorization.

2011100222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807022661 (or 807022659 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011100222012 its reverse (2102220011102), we get a palindrome (4113320233114).

The spelling of 2011100222012 in words is "two trillion, eleven billion, one hundred million, two hundred twenty-two thousand, twelve".