2221222002111 has 48 divisors (see below), whose sum is σ = 3831743285760. Its totient is φ = 1212326533440.

The previous prime is 2221222002091. The next prime is 2221222002121. The reversal of 2221222002111 is 1112002221222.

It is a happy number.

2221222002111 is a `hidden beast` number, since 22 + 212 + 220 + 0 + 211 + 1 = 666.

It is not a de Polignac number, because 2221222002111 - 2⁹ = 2221222001599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221222002121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107956 + ... + 2110473.

It is an arithmetic number, because the mean of its divisors is an integer number (79827985120).

Almost surely, 2^{2221222002111} is an apocalyptic number.

2221222002111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2221222002111 is a deficient number, since it is larger than the sum of its proper divisors (1610521283649).

2221222002111 is a wasteful number, since it uses less digits than its factorization.

2221222002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219156 (or 2219153 counting only the distinct ones).

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

Adding to 2221222002111 its reverse (1112002221222), we get a palindrome (3333224223333).

The spelling of 2221222002111 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, two thousand, one hundred eleven".