20111120002099 has 24 divisors (see below), whose sum is σ = 24772208408640. Its totient is φ = 16223121444096.

The previous prime is 20111120002003. The next prime is 20111120002139. The reversal of 20111120002099 is 99020002111102.

It is not a de Polignac number, because 20111120002099 - 2⁹ = 20111120001587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20111120005099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13301254 + ... + 14735860.

It is an arithmetic number, because the mean of its divisors is an integer number (1032175350360).

Almost surely, 2^{20111120002099} is an apocalyptic number.

20111120002099 is a deficient number, since it is larger than the sum of its proper divisors (4661088406541).

20111120002099 is a wasteful number, since it uses less digits than its factorization.

20111120002099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451467 (or 1451460 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 20111120002099 in words is "twenty trillion, one hundred eleven billion, one hundred twenty million, two thousand, ninety-nine".