221000201011010 has 8 divisors (see below), whose sum is σ = 397800361819836. Its totient is φ = 88400080404400.

The previous prime is 221000201011001. The next prime is 221000201011013. The reversal of 221000201011010 is 10110102000122.

It can be written as a sum of positive squares in 2 ways, for example, as 207048414737329 + 13951786273681 = 14389177^2 + 3735209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×221000201011010³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 221000201010982 and 221000201011000.

It is not an unprimeable number, because it can be changed into a prime (221000201011013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11050010050541 + ... + 11050010050560.

Almost surely, 2^{221000201011010} is an apocalyptic number.

221000201011010 is a deficient number, since it is larger than the sum of its proper divisors (176800160808826).

221000201011010 is a wasteful number, since it uses less digits than its factorization.

221000201011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22100020101108.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 221000201011010 its reverse (10110102000122), we get a palindrome (231110303011132).

The spelling of 221000201011010 in words is "two hundred twenty-one trillion, two hundred one million, eleven thousand, ten".