2111029899 has 8 divisors (see below), whose sum is σ = 3070588992. Its totient is φ = 1279412040.

The previous prime is 2111029889. The next prime is 2111029919. The reversal of 2111029899 is 9989201112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2111029899 - 2¹² = 2111025803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111029899.

It is not an unprimeable number, because it can be changed into a prime (2111029819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31985269 + ... + 31985334.

It is an arithmetic number, because the mean of its divisors is an integer number (383823624).

Almost surely, 2^2111029899 is an apocalyptic number.

2111029899 is a deficient number, since it is larger than the sum of its proper divisors (959559093).

2111029899 is a wasteful number, since it uses less digits than its factorization.

2111029899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63970617.

The product of its (nonzero) digits is 23328, while the sum is 42.

The square root of 2111029899 is about 45945.9454032671. The cubic root of 2111029899 is about 1282.8172604830.

The spelling of 2111029899 in words is "two billion, one hundred eleven million, twenty-nine thousand, eight hundred ninety-nine".