102019200111 has 16 divisors (see below), whose sum is σ = 151498573920. Its totient is φ = 67851241920.

The previous prime is 102019200067. The next prime is 102019200119. The reversal of 102019200111 is 111002910201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-102019200111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102019200119) 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, 4476150 + ... + 4498883.

It is an arithmetic number, because the mean of its divisors is an integer number (9468660870).

Almost surely, 2^102019200111 is an apocalyptic number.

102019200111 is a deficient number, since it is larger than the sum of its proper divisors (49479373809).

102019200111 is an equidigital number, since it uses as much as digits as its factorization.

102019200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8975463 (or 8975457 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 102019200111 in words is "one hundred two billion, nineteen million, two hundred thousand, one hundred eleven".