102120222011 has 8 divisors (see below), whose sum is σ = 108843371424. Its totient is φ = 95476636800.

The previous prime is 102120221993. The next prime is 102120222047. The reversal of 102120222011 is 110222021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102120222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120222091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19888400 + ... + 19893533.

It is an arithmetic number, because the mean of its divisors is an integer number (13605421428).

Almost surely, 2^102120222011 is an apocalyptic number.

102120222011 is a deficient number, since it is larger than the sum of its proper divisors (6723149413).

102120222011 is a wasteful number, since it uses less digits than its factorization.

102120222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39782101.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102120222011 its reverse (110222021201), we get a palindrome (212342243212).

The spelling of 102120222011 in words is "one hundred two billion, one hundred twenty million, two hundred twenty-two thousand, eleven".