1000202212091 has 8 divisors (see below), whose sum is σ = 1055118405120. Its totient is φ = 945513416232.

The previous prime is 1000202212043. The next prime is 1000202212117. The reversal of 1000202212091 is 1902122020001.

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 1000202212091 - 2⁶ = 1000202212027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000202212391) 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, 56840255 + ... + 56857848.

It is an arithmetic number, because the mean of its divisors is an integer number (131889800640).

Almost surely, 2^{1000202212091} is an apocalyptic number.

1000202212091 is a deficient number, since it is larger than the sum of its proper divisors (54916193029).

1000202212091 is a wasteful number, since it uses less digits than its factorization.

1000202212091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113698585.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1000202212091 its reverse (1902122020001), we get a palindrome (2902324232092).

The spelling of 1000202212091 in words is "one trillion, two hundred two million, two hundred twelve thousand, ninety-one".