1002122021201 has 16 divisors (see below), whose sum is σ = 1154461248000. Its totient is φ = 852092455488.

The previous prime is 1002122021191. The next prime is 1002122021209. The reversal of 1002122021201 is 1021202212001.

It is not a de Polignac number, because 1002122021201 - 2⁶ = 1002122021137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002122021209) 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, 184760 + ... + 1427718.

It is an arithmetic number, because the mean of its divisors is an integer number (72153828000).

Almost surely, 2^{1002122021201} is an apocalyptic number.

It is an amenable number.

1002122021201 is a deficient number, since it is larger than the sum of its proper divisors (152339226799).

1002122021201 is a wasteful number, since it uses less digits than its factorization.

1002122021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243888.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002122021201 its reverse (1021202212001), we get a palindrome (2023324233202).

The spelling of 1002122021201 in words is "one trillion, two billion, one hundred twenty-two million, twenty-one thousand, two hundred one".