221001021001202 has 64 divisors (see below), whose sum is σ = 358904709402624. Its totient is φ = 101458428176640.

The previous prime is 221001021001199. The next prime is 221001021001303. The reversal of 221001021001202 is 202100120100122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9167492033 + ... + 9167516139.

It is an arithmetic number, because the mean of its divisors is an integer number (5607886084416).

Almost surely, 2^{221001021001202} is an apocalyptic number.

221001021001202 is a deficient number, since it is larger than the sum of its proper divisors (137903688401422).

221001021001202 is a wasteful number, since it uses less digits than its factorization.

221001021001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26963.

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

Adding to 221001021001202 its reverse (202100120100122), we get a palindrome (423101141101324).

The spelling of 221001021001202 in words is "two hundred twenty-one trillion, one billion, twenty-one million, one thousand, two hundred two".