10200111221111 has 16 divisors (see below), whose sum is σ = 11848526074368. Its totient is φ = 8599514104800.

The previous prime is 10200111221101. The next prime is 10200111221173. The reversal of 10200111221111 is 11112211100201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10200111221111 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 (10200111221101) 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, 65861276 + ... + 66015966.

It is an arithmetic number, because the mean of its divisors is an integer number (740532879648).

Almost surely, 2^{10200111221111} is an apocalyptic number.

10200111221111 is a deficient number, since it is larger than the sum of its proper divisors (1648414853257).

10200111221111 is a wasteful number, since it uses less digits than its factorization.

10200111221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309182.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10200111221111 its reverse (11112211100201), we get a palindrome (21312322321312).

The spelling of 10200111221111 in words is "ten trillion, two hundred billion, one hundred eleven million, two hundred twenty-one thousand, one hundred eleven".