10200111112221 has 16 divisors (see below), whose sum is σ = 14400272285568. Its totient is φ = 6400018419200.

The previous prime is 10200111112211. The next prime is 10200111112237. The reversal of 10200111112221 is 12221111100201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10200111112221 - 2⁶ = 10200111112157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10200111112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200111112201) 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, 6221056 + ... + 7687766.

It is an arithmetic number, because the mean of its divisors is an integer number (900017017848).

Almost surely, 2^{10200111112221} is an apocalyptic number.

It is an amenable number.

10200111112221 is a deficient number, since it is larger than the sum of its proper divisors (4200161173347).

10200111112221 is a wasteful number, since it uses less digits than its factorization.

10200111112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603092.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10200111112221 its reverse (12221111100201), we get a palindrome (22421222212422).

The spelling of 10200111112221 in words is "ten trillion, two hundred billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty-one".