1202202021001 has 32 divisors (see below), whose sum is σ = 1339537305600. Its totient is φ = 1073711136960.

The previous prime is 1202202020989. The next prime is 1202202021011. The reversal of 1202202021001 is 1001202022021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1202202021001 - 2¹⁷ = 1202201889929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202202021011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152617875 + ... + 152625751.

It is an arithmetic number, because the mean of its divisors is an integer number (41860540800).

Almost surely, 2^{1202202021001} is an apocalyptic number.

It is an amenable number.

1202202021001 is a deficient number, since it is larger than the sum of its proper divisors (137335284599).

1202202021001 is a wasteful number, since it uses less digits than its factorization.

1202202021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12909.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1202202021001 its reverse (1001202022021), we get a palindrome (2203404043022).

The spelling of 1202202021001 in words is "one trillion, two hundred two billion, two hundred two million, twenty-one thousand, one".