221010000221202 has 64 divisors (see below), whose sum is σ = 468981767341440. Its totient is φ = 69194292056064.

The previous prime is 221010000221189. The next prime is 221010000221293. The reversal of 221010000221202 is 202122000010122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106993638 + ... + 109039710.

It is an arithmetic number, because the mean of its divisors is an integer number (7327840114710).

Almost surely, 2^{221010000221202} is an apocalyptic number.

221010000221202 is an abundant number, since it is smaller than the sum of its proper divisors (247971767120238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221010000221202 is a wasteful number, since it uses less digits than its factorization.

221010000221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048267.

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

Adding to 221010000221202 its reverse (202122000010122), we get a palindrome (423132000231324).

The spelling of 221010000221202 in words is "two hundred twenty-one trillion, ten billion, two hundred twenty-one thousand, two hundred two".