1202100210109 has 16 divisors (see below), whose sum is σ = 1267986614400. Its totient is φ = 1136477912256.

The previous prime is 1202100210041. The next prime is 1202100210151. The reversal of 1202100210109 is 9010120012021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1202100210109 - 2²³ = 1202091821501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202100210709) 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, 19341127 + ... + 19403179.

It is an arithmetic number, because the mean of its divisors is an integer number (79249163400).

Almost surely, 2^{1202100210109} is an apocalyptic number.

1202100210109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1202100210109 is a deficient number, since it is larger than the sum of its proper divisors (65886404291).

1202100210109 is a wasteful number, since it uses less digits than its factorization.

1202100210109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64164.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1202100210109 in words is "one trillion, two hundred two billion, one hundred million, two hundred ten thousand, one hundred nine".