2202021221001 has 64 divisors (see below), whose sum is σ = 3560025477120. Its totient is φ = 1183433898240.

The previous prime is 2202021220999. The next prime is 2202021221017. The reversal of 2202021221001 is 1001221202022.

It is not a de Polignac number, because 2202021221001 - 2¹ = 2202021220999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2202021221021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93179655 + ... + 93203283.

It is an arithmetic number, because the mean of its divisors is an integer number (55625398080).

Almost surely, 2^{2202021221001} is an apocalyptic number.

2202021221001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2202021221001 is a deficient number, since it is larger than the sum of its proper divisors (1358004256119).

2202021221001 is a wasteful number, since it uses less digits than its factorization.

2202021221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26886.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2202021221001 its reverse (1001221202022), we get a palindrome (3203242423023).

The spelling of 2202021221001 in words is "two trillion, two hundred two billion, twenty-one million, two hundred twenty-one thousand, one".