1021002201109 has 8 divisors (see below), whose sum is σ = 1113831677952. Its totient is φ = 928174573440.

The previous prime is 1021002201077. The next prime is 1021002201133. The reversal of 1021002201109 is 9011022001201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1021002201109 - 2⁵ = 1021002201077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021002241109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855532 + ... + 1665514.

It is an arithmetic number, because the mean of its divisors is an integer number (139228959744).

Almost surely, 2^{1021002201109} is an apocalyptic number.

It is an amenable number.

1021002201109 is a deficient number, since it is larger than the sum of its proper divisors (92829476843).

1021002201109 is a wasteful number, since it uses less digits than its factorization.

1021002201109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924587.

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

The spelling of 1021002201109 in words is "one trillion, twenty-one billion, two million, two hundred one thousand, one hundred nine".