2221012002111 has 32 divisors (see below), whose sum is σ = 3457531422720. Its totient is φ = 1241742706176.

The previous prime is 2221012002107. The next prime is 2221012002137. The reversal of 2221012002111 is 1112002101222.

It is not a de Polignac number, because 2221012002111 - 2² = 2221012002107 is a prime.

It is a super-2 number, since 2×2221012002111² (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 (2221012002191) 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, 2684605 + ... + 3413081.

It is an arithmetic number, because the mean of its divisors is an integer number (108047856960).

Almost surely, 2^{2221012002111} is an apocalyptic number.

2221012002111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2221012002111 is a deficient number, since it is larger than the sum of its proper divisors (1236519420609).

2221012002111 is a wasteful number, since it uses less digits than its factorization.

2221012002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731623.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2221012002111 its reverse (1112002101222), we get a palindrome (3333014103333).

The spelling of 2221012002111 in words is "two trillion, two hundred twenty-one billion, twelve million, two thousand, one hundred eleven".