2111002022 has 4 divisors (see below), whose sum is σ = 3166503036. Its totient is φ = 1055501010.

The previous prime is 2111002007. The next prime is 2111002073. The reversal of 2111002022 is 2202001112.

It is a happy number.

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 = 2111001994 and 2111002012.

It is a congruent number.

It is an unprimeable number.

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, 527750504 + ... + 527750507.

It is an arithmetic number, because the mean of its divisors is an integer number (791625759).

Almost surely, 2^2111002022 is an apocalyptic number.

2111002022 is a deficient number, since it is larger than the sum of its proper divisors (1055501014).

2111002022 is a wasteful number, since it uses less digits than its factorization.

2111002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055501013.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2111002022 is about 45945.6420349090. The cubic root of 2111002022 is about 1282.8116137520.

Adding to 2111002022 its reverse (2202001112), we get a palindrome (4313003134).

The spelling of 2111002022 in words is "two billion, one hundred eleven million, two thousand, twenty-two".