221000201010002 has 16 divisors (see below), whose sum is σ = 339734550799224. Its totient is φ = 107757713856000.

The previous prime is 221000201009981. The next prime is 221000201010077. The reversal of 221000201010002 is 200010102000122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 74370116163721 + 146630084846281 = 8623811^2 + 12109091^2 .

It is a super-2 number, since 2×221000201010002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 590589899 + ... + 590963982.

Almost surely, 2^{221000201010002} is an apocalyptic number.

221000201010002 is a deficient number, since it is larger than the sum of its proper divisors (118734349789222).

221000201010002 is a wasteful number, since it uses less digits than its factorization.

221000201010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181556205.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 221000201010002 its reverse (200010102000122), we get a palindrome (421010303010124).

The spelling of 221000201010002 in words is "two hundred twenty-one trillion, two hundred one million, ten thousand, two".