221021010011202 has 32 divisors (see below), whose sum is σ = 443491034613120. Its totient is φ = 73432197121920.

The previous prime is 221021010011201. The next prime is 221021010011237. The reversal of 221021010011202 is 202110010120122.

It is not an unprimeable number, because it can be changed into a prime (221021010011201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26299198 + ... + 33670310.

It is an arithmetic number, because the mean of its divisors is an integer number (13859094831660).

Almost surely, 2^{221021010011202} is an apocalyptic number.

221021010011202 is an abundant number, since it is smaller than the sum of its proper divisors (222470024601918).

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

221021010011202 is a wasteful number, since it uses less digits than its factorization.

221021010011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387498.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221021010011202 its reverse (202110010120122), we get a palindrome (423131020131324).

The spelling of 221021010011202 in words is "two hundred twenty-one trillion, twenty-one billion, ten million, eleven thousand, two hundred two".