221312030301002 has 16 divisors (see below), whose sum is σ = 335318150862792. Its totient is φ = 109539727027200.

The previous prime is 221312030300989. The next prime is 221312030301017. The reversal of 221312030301002 is 200103030213122.

It can be written as a sum of positive squares in 4 ways, for example, as 219931243146241 + 1380787154761 = 14830079^2 + 1175069^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102347423 + ... + 104487410.

Almost surely, 2^{221312030301002} is an apocalyptic number.

221312030301002 is a deficient number, since it is larger than the sum of its proper divisors (114006120561790).

221312030301002 is a wasteful number, since it uses less digits than its factorization.

221312030301002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206840233.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221312030301002 its reverse (200103030213122), we get a palindrome (421415060514124).

The spelling of 221312030301002 in words is "two hundred twenty-one trillion, three hundred twelve billion, thirty million, three hundred one thousand, two".