1210101110199 has 20 divisors (see below), whose sum is σ = 1914016137264. Its totient is φ = 759279127104.

The previous prime is 1210101110177. The next prime is 1210101110219. The reversal of 1210101110199 is 9910111010121.

It is not a de Polignac number, because 1210101110199 - 2¹² = 1210101106103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210101110149) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 439396267 + ... + 439399020.

Almost surely, 2^{1210101110199} is an apocalyptic number.

1210101110199 is a deficient number, since it is larger than the sum of its proper divisors (703915027065).

1210101110199 is an equidigital number, since it uses as much as digits as its factorization.

1210101110199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878795316 (or 878795307 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 27.

The spelling of 1210101110199 in words is "one trillion, two hundred ten billion, one hundred one million, one hundred ten thousand, one hundred ninety-nine".