1210101099 has 8 divisors (see below), whose sum is σ = 1629443472. Its totient is φ = 798746400.

The previous prime is 1210101097. The next prime is 1210101107. The reversal of 1210101099 is 9901010121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1210101099 - 2¹ = 1210101097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210101097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1996564 + ... + 1997169.

It is an arithmetic number, because the mean of its divisors is an integer number (203680434).

Almost surely, 2^1210101099 is an apocalyptic number.

1210101099 is a deficient number, since it is larger than the sum of its proper divisors (419342373).

1210101099 is a wasteful number, since it uses less digits than its factorization.

1210101099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993837.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 1210101099 is about 34786.5074274495. The cubic root of 1210101099 is about 1065.6319139898.

The spelling of 1210101099 in words is "one billion, two hundred ten million, one hundred one thousand, ninety-nine".