102202211121111 has 24 divisors (see below), whose sum is σ = 149285346472080. Its totient is φ = 67368698179200.

The previous prime is 102202211121071. The next prime is 102202211121113. The reversal of 102202211121111 is 111121112202201.

It is a happy number.

102202211121111 is a `hidden beast` number, since 1 + 0 + 220 + 2 + 211 + 121 + 111 = 666.

It is not a de Polignac number, because 102202211121111 - 2¹⁹ = 102202210596823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202211121113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113237241 + ... + 114136221.

It is an arithmetic number, because the mean of its divisors is an integer number (6220222769670).

Almost surely, 2^{102202211121111} is an apocalyptic number.

102202211121111 is a deficient number, since it is larger than the sum of its proper divisors (47083135350969).

102202211121111 is a wasteful number, since it uses less digits than its factorization.

102202211121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041007 (or 1041004 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 102202211121111 its reverse (111121112202201), we get a palindrome (213323323323312).

The spelling of 102202211121111 in words is "one hundred two trillion, two hundred two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred eleven".