1001012022109 has 12 divisors (see below), whose sum is σ = 1100357995072. Its totient is φ = 909951336360.

The previous prime is 1001012022103. The next prime is 1001012022133. The reversal of 1001012022109 is 9012202101001.

It is a happy number.

It is not a de Polignac number, because 1001012022109 - 2⁵ = 1001012022077 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 (1001012022103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1639954 + ... + 2165980.

Almost surely, 2^{1001012022109} is an apocalyptic number.

It is an amenable number.

1001012022109 is a deficient number, since it is larger than the sum of its proper divisors (99345972963).

1001012022109 is a wasteful number, since it uses less digits than its factorization.

1001012022109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541776 (or 541765 counting only the distinct ones).

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

The spelling of 1001012022109 in words is "one trillion, one billion, twelve million, twenty-two thousand, one hundred nine".