102111002223 has 4 divisors (see below), whose sum is σ = 136148002968. Its totient is φ = 68074001480.

The previous prime is 102111002219. The next prime is 102111002249. The reversal of 102111002223 is 322200111201.

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 102111002223 - 2² = 102111002219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111802223) 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, 17018500368 + ... + 17018500373.

It is an arithmetic number, because the mean of its divisors is an integer number (34037000742).

Almost surely, 2^102111002223 is an apocalyptic number.

102111002223 is a deficient number, since it is larger than the sum of its proper divisors (34037000745).

102111002223 is an equidigital number, since it uses as much as digits as its factorization.

102111002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34037000744.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102111002223 its reverse (322200111201), we get a palindrome (424311113424).

The spelling of 102111002223 in words is "one hundred two billion, one hundred eleven million, two thousand, two hundred twenty-three".