2210111998 has 16 divisors (see below), whose sum is σ = 3508033536. Its totient is φ = 1042121080.

The previous prime is 2210111993. The next prime is 2210111999. The reversal of 2210111998 is 8991110122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210111993) 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 in 7 ways as a sum of consecutive naturals, for example, 335086 + ... + 341617.

It is an arithmetic number, because the mean of its divisors is an integer number (219252096).

Almost surely, 2^2210111998 is an apocalyptic number.

2210111998 is a deficient number, since it is larger than the sum of its proper divisors (1297921538).

2210111998 is a wasteful number, since it uses less digits than its factorization.

2210111998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676799.

The product of its (nonzero) digits is 2592, while the sum is 34.

The square root of 2210111998 is about 47011.8282775729. The cubic root of 2210111998 is about 1302.5810649722.

The spelling of 2210111998 in words is "two billion, two hundred ten million, one hundred eleven thousand, nine hundred ninety-eight".