102002212111 has 4 divisors (see below), whose sum is σ = 105519529800. Its totient is φ = 98484894424.

The previous prime is 102002212093. The next prime is 102002212133. The reversal of 102002212111 is 111212200201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111212200201 = 33757 ⋅3294493.

It is a cyclic number.

It is not a de Polignac number, because 102002212111 - 2¹⁵ = 102002179343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102002212091 and 102002212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002212211) 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, 1758658801 + ... + 1758658858.

It is an arithmetic number, because the mean of its divisors is an integer number (26379882450).

Almost surely, 2^102002212111 is an apocalyptic number.

102002212111 is a deficient number, since it is larger than the sum of its proper divisors (3517317689).

102002212111 is an equidigital number, since it uses as much as digits as its factorization.

102002212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517317688.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102002212111 its reverse (111212200201), we get a palindrome (213214412312).

The spelling of 102002212111 in words is "one hundred two billion, two million, two hundred twelve thousand, one hundred eleven".