2111100022 has 4 divisors (see below), whose sum is σ = 3166650036. Its totient is φ = 1055550010.

The previous prime is 2111099983. The next prime is 2111100023. The reversal of 2111100022 is 2200011112.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2111099981 and 2111100008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111100023) by changing a digit.

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 as a sum of consecutive naturals, namely, 527775004 + ... + 527775007.

It is an arithmetic number, because the mean of its divisors is an integer number (791662509).

Almost surely, 2^2111100022 is an apocalyptic number.

2111100022 is a deficient number, since it is larger than the sum of its proper divisors (1055550014).

2111100022 is a wasteful number, since it uses less digits than its factorization.

2111100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055550013.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2111100022 is about 45946.7085001744. The cubic root of 2111100022 is about 1282.8314642924.

Adding to 2111100022 its reverse (2200011112), we get a palindrome (4311111134).

The spelling of 2111100022 in words is "two billion, one hundred eleven million, one hundred thousand, twenty-two".