2011222221102 has 24 divisors (see below), whose sum is σ = 4422687672936. Its totient is φ = 660401325936.

The previous prime is 2011222221091. The next prime is 2011222221103.

It is a happy number.

2011222221102 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011222221103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833838853 + ... + 833841264.

It is an arithmetic number, because the mean of its divisors is an integer number (184278653039).

Almost surely, 2^{2011222221102} is an apocalyptic number.

2011222221102 is an abundant number, since it is smaller than the sum of its proper divisors (2411465451834).

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

2011222221102 is a wasteful number, since it uses less digits than its factorization.

2011222221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667680192 (or 1667680189 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The spelling of 2011222221102 in words is "two trillion, eleven billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred two".