221010001200111 has 16 divisors (see below), whose sum is σ = 295494829209216. Its totient is φ = 146933103695136.

The previous prime is 221010001200101. The next prime is 221010001200127. The reversal of 221010001200111 is 111002100010122.

221010001200111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221010001200111 - 2⁷ = 221010001199983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010001200101) 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, 62875705 + ... + 66297618.

It is an arithmetic number, because the mean of its divisors is an integer number (18468426825576).

Almost surely, 2^{221010001200111} is an apocalyptic number.

221010001200111 is a deficient number, since it is larger than the sum of its proper divisors (74484828009105).

221010001200111 is a wasteful number, since it uses less digits than its factorization.

221010001200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129174902.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 221010001200111 its reverse (111002100010122), we get a palindrome (332012101210233).

The spelling of 221010001200111 in words is "two hundred twenty-one trillion, ten billion, one million, two hundred thousand, one hundred eleven".