1011200102221 has 16 divisors (see below), whose sum is σ = 1036798551360. Its totient is φ = 985698362880.

The previous prime is 1011200102219. The next prime is 1011200102233. The reversal of 1011200102221 is 1222010021101.

It is a cyclic number.

It is not a de Polignac number, because 1011200102221 - 2¹ = 1011200102219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011200102291) 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, 44849211 + ... + 44871751.

It is an arithmetic number, because the mean of its divisors is an integer number (64799909460).

Almost surely, 2^{1011200102221} is an apocalyptic number.

It is an amenable number.

1011200102221 is a deficient number, since it is larger than the sum of its proper divisors (25598449139).

1011200102221 is a wasteful number, since it uses less digits than its factorization.

1011200102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24636.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011200102221 its reverse (1222010021101), we get a palindrome (2233210123322).

The spelling of 1011200102221 in words is "one trillion, eleven billion, two hundred million, one hundred two thousand, two hundred twenty-one".