102012222011 has 4 divisors (see below), whose sum is σ = 116585396592. Its totient is φ = 87439047432.

The previous prime is 102012221981. The next prime is 102012222019. The reversal of 102012222011 is 110222210201.

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 102012222011 - 2²² = 102008027707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102012222019) 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, 7286587280 + ... + 7286587293.

It is an arithmetic number, because the mean of its divisors is an integer number (29146349148).

Almost surely, 2^102012222011 is an apocalyptic number.

102012222011 is a deficient number, since it is larger than the sum of its proper divisors (14573174581).

102012222011 is an equidigital number, since it uses as much as digits as its factorization.

102012222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14573174580.

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

Adding to 102012222011 its reverse (110222210201), we get a palindrome (212234432212).

The spelling of 102012222011 in words is "one hundred two billion, twelve million, two hundred twenty-two thousand, eleven".