1010002201221 has 16 divisors (see below), whose sum is σ = 1450282671936. Its totient is φ = 621529915776.

The previous prime is 1010002201199. The next prime is 1010002201231. The reversal of 1010002201221 is 1221022000101.

It is not a de Polignac number, because 1010002201221 - 2¹⁵ = 1010002168453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010002201197 and 1010002201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010002201231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2844841 + ... + 3180113.

It is an arithmetic number, because the mean of its divisors is an integer number (90642666996).

Almost surely, 2^{1010002201221} is an apocalyptic number.

It is an amenable number.

1010002201221 is a deficient number, since it is larger than the sum of its proper divisors (440280470715).

1010002201221 is a wasteful number, since it uses less digits than its factorization.

1010002201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412532.

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

Adding to 1010002201221 its reverse (1221022000101), we get a palindrome (2231024201322).

The spelling of 1010002201221 in words is "one trillion, ten billion, two million, two hundred one thousand, two hundred twenty-one".