202022011001 has 4 divisors (see below), whose sum is σ = 202088272500. Its totient is φ = 201955749504.

The previous prime is 202022010947. The next prime is 202022011069. The reversal of 202022011001 is 100110220202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89954405776 + 112067605225 = 299924^2 + 334765^2 .

It is a cyclic number.

It is not a de Polignac number, because 202022011001 - 2⁶ = 202022010937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202022011601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33126176 + ... + 33132273.

It is an arithmetic number, because the mean of its divisors is an integer number (50522068125).

Almost surely, 2^202022011001 is an apocalyptic number.

It is an amenable number.

202022011001 is a deficient number, since it is larger than the sum of its proper divisors (66261499).

202022011001 is an equidigital number, since it uses as much as digits as its factorization.

202022011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66261498.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202022011001 its reverse (100110220202), we get a palindrome (302132231203).

The spelling of 202022011001 in words is "two hundred two billion, twenty-two million, eleven thousand, one".