1010200012221 has 32 divisors (see below), whose sum is σ = 1397801518848. Its totient is φ = 648431723520.

The previous prime is 1010200012189. The next prime is 1010200012223. The reversal of 1010200012221 is 1222100020101.

It is not a de Polignac number, because 1010200012221 - 2⁵ = 1010200012189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1010200012197 and 1010200012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010200012223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7850815 + ... + 7978451.

It is an arithmetic number, because the mean of its divisors is an integer number (43681297464).

Almost surely, 2^{1010200012221} is an apocalyptic number.

It is an amenable number.

1010200012221 is a deficient number, since it is larger than the sum of its proper divisors (387601506627).

1010200012221 is a wasteful number, since it uses less digits than its factorization.

1010200012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128421.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1010200012221 its reverse (1222100020101), we get a palindrome (2232300032322).

The spelling of 1010200012221 in words is "one trillion, ten billion, two hundred million, twelve thousand, two hundred twenty-one".