102201012010111 has 4 divisors (see below), whose sum is σ = 116801156582992. Its totient is φ = 87600867437232.

The previous prime is 102201012010091. The next prime is 102201012010177. The reversal of 102201012010111 is 111010210102201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102201012010111 - 2²⁵ = 102200978455679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102201012010091 and 102201012010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201012016111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7300072286430 + ... + 7300072286443.

It is an arithmetic number, because the mean of its divisors is an integer number (29200289145748).

Almost surely, 2^{102201012010111} is an apocalyptic number.

102201012010111 is a deficient number, since it is larger than the sum of its proper divisors (14600144572881).

102201012010111 is an equidigital number, since it uses as much as digits as its factorization.

102201012010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14600144572880.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102201012010111 its reverse (111010210102201), we get a palindrome (213211222112312).

The spelling of 102201012010111 in words is "one hundred two trillion, two hundred one billion, twelve million, ten thousand, one hundred eleven".