221130301002 has 64 divisors (see below), whose sum is σ = 482656648320. Its totient is φ = 67131408384.

The previous prime is 221130300991. The next prime is 221130301019. The reversal of 221130301002 is 200103031122.

It is a super-2 number, since 2×221130301002² (a number of 23 digits) contains 22 as substring.

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, 4956298 + ... + 5000714.

It is an arithmetic number, because the mean of its divisors is an integer number (7541510130).

Almost surely, 2^221130301002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221130301002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241328324160).

221130301002 is an abundant number, since it is smaller than the sum of its proper divisors (261526347318).

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

221130301002 is a wasteful number, since it uses less digits than its factorization.

221130301002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45287.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 221130301002 its reverse (200103031122), we get a palindrome (421233332124).

The spelling of 221130301002 in words is "two hundred twenty-one billion, one hundred thirty million, three hundred one thousand, two".