201102110999987 has 2 divisors, whose sum is σ = 201102110999988. Its totient is φ = 201102110999986.

The previous prime is 201102110999983. The next prime is 201102111000019. The reversal of 201102110999987 is 789999011201102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201102110999987 - 2² = 201102110999983 is a prime.

It is a super-2 number, since 2×201102110999987² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201102110999983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551055499993 + 100551055499994.

It is an arithmetic number, because the mean of its divisors is an integer number (100551055499994).

Almost surely, 2^{201102110999987} is an apocalyptic number.

201102110999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102110999987 is an equidigital number, since it uses as much as digits as its factorization.

201102110999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 59.

The spelling of 201102110999987 in words is "two hundred one trillion, one hundred two billion, one hundred ten million, nine hundred ninety-nine thousand, nine hundred eighty-seven".