102102220011 has 32 divisors (see below), whose sum is σ = 155027271168. Its totient is φ = 59167581440.

The previous prime is 102102219991. The next prime is 102102220037. The reversal of 102102220011 is 110022201201.

It is not a de Polignac number, because 102102220011 - 2¹⁴ = 102102203627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102102220211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2129575 + ... + 2176991.

It is an arithmetic number, because the mean of its divisors is an integer number (4844602224).

Almost surely, 2^102102220011 is an apocalyptic number.

102102220011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102102220011 is a deficient number, since it is larger than the sum of its proper divisors (52925051157).

102102220011 is a wasteful number, since it uses less digits than its factorization.

102102220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50291.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102102220011 its reverse (110022201201), we get a palindrome (212124421212).

The spelling of 102102220011 in words is "one hundred two billion, one hundred two million, two hundred twenty thousand, eleven".