1202101122109 has 16 divisors (see below), whose sum is σ = 1280328724800. Its totient is φ = 1125384264576.

The previous prime is 1202101122097. The next prime is 1202101122127. The reversal of 1202101122109 is 9012211012021.

It is a cyclic number.

It is not a de Polignac number, because 1202101122109 - 2⁹ = 1202101121597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202101122109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202101122149) 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, 2725402 + ... + 3135604.

It is an arithmetic number, because the mean of its divisors is an integer number (80020545300).

Almost surely, 2^{1202101122109} is an apocalyptic number.

1202101122109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1202101122109 is a deficient number, since it is larger than the sum of its proper divisors (78227602691).

1202101122109 is a wasteful number, since it uses less digits than its factorization.

1202101122109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412044.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1202101122109 in words is "one trillion, two hundred two billion, one hundred one million, one hundred twenty-two thousand, one hundred nine".