10020201021109 has 16 divisors (see below), whose sum is σ = 11168977956480. Its totient is φ = 8933659084800.

The previous prime is 10020201021097. The next prime is 10020201021113. The reversal of 10020201021109 is 90112010202001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10020201021109 - 2²³ = 10020192632501 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020201021119) 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, 2489509 + ... + 5122309.

It is an arithmetic number, because the mean of its divisors is an integer number (698061122280).

Almost surely, 2^{10020201021109} is an apocalyptic number.

10020201021109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10020201021109 is a deficient number, since it is larger than the sum of its proper divisors (1148776935371).

10020201021109 is a wasteful number, since it uses less digits than its factorization.

10020201021109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644620.

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

The spelling of 10020201021109 in words is "ten trillion, twenty billion, two hundred one million, twenty-one thousand, one hundred nine".