102122211000111 has 4 divisors (see below), whose sum is σ = 136162948000152. Its totient is φ = 68081474000072.

The previous prime is 102122211000077. The next prime is 102122211000133. The reversal of 102122211000111 is 111000112221201.

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 102122211000111 - 2¹⁷ = 102122210869039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122211000911) 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, 17020368500016 + ... + 17020368500021.

It is an arithmetic number, because the mean of its divisors is an integer number (34040737000038).

Almost surely, 2^{102122211000111} is an apocalyptic number.

102122211000111 is a deficient number, since it is larger than the sum of its proper divisors (34040737000041).

102122211000111 is an equidigital number, since it uses as much as digits as its factorization.

102122211000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34040737000040.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102122211000111 its reverse (111000112221201), we get a palindrome (213122323221312).

The spelling of 102122211000111 in words is "one hundred two trillion, one hundred twenty-two billion, two hundred eleven million, one hundred eleven", and thus it is an aban number.