102201312111 has 16 divisors (see below), whose sum is σ = 138608171520. Its totient is φ = 66964832640.

The previous prime is 102201312049. The next prime is 102201312121. The reversal of 102201312111 is 111213102201.

It is not a de Polignac number, because 102201312111 - 2¹⁷ = 102201181039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201312121) 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, 786231 + ... + 906951.

It is an arithmetic number, because the mean of its divisors is an integer number (8663010720).

Almost surely, 2^102201312111 is an apocalyptic number.

102201312111 is a deficient number, since it is larger than the sum of its proper divisors (36406859409).

102201312111 is a wasteful number, since it uses less digits than its factorization.

102201312111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125566.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 102201312111 its reverse (111213102201), we get a palindrome (213414414312).

The spelling of 102201312111 in words is "one hundred two billion, two hundred one million, three hundred twelve thousand, one hundred eleven".