20010111199 has 16 divisors (see below), whose sum is σ = 21649320000. Its totient is φ = 18385307136.

The previous prime is 20010111197. The next prime is 20010111203. The reversal of 20010111199 is 99111101002.

It is a cyclic number.

It is not a de Polignac number, because 20010111199 - 2¹ = 20010111197 is a prime.

It is a super-3 number, since 3×20010111199³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010111197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7277677 + ... + 7280425.

It is an arithmetic number, because the mean of its divisors is an integer number (1353082500).

Almost surely, 2^20010111199 is an apocalyptic number.

20010111199 is a deficient number, since it is larger than the sum of its proper divisors (1639208801).

20010111199 is a wasteful number, since it uses less digits than its factorization.

20010111199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 20010111199 in words is "twenty billion, ten million, one hundred eleven thousand, one hundred ninety-nine".