102220111011 has 16 divisors (see below), whose sum is σ = 140095194624. Its totient is φ = 66248992224.

The previous prime is 102220111001. The next prime is 102220111031. The reversal of 102220111011 is 110111022201.

It is not a de Polignac number, because 102220111011 - 2¹⁸ = 102219848867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102220111001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256155 + ... + 519668.

It is an arithmetic number, because the mean of its divisors is an integer number (8755949664).

Almost surely, 2^102220111011 is an apocalyptic number.

102220111011 is a deficient number, since it is larger than the sum of its proper divisors (37875083613).

102220111011 is a wasteful number, since it uses less digits than its factorization.

102220111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777050.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102220111011 its reverse (110111022201), we get a palindrome (212331133212).

It can be divided in two parts, 1022201 and 11011, that multiplied together give a palindrome (11255455211).

The spelling of 102220111011 in words is "one hundred two billion, two hundred twenty million, one hundred eleven thousand, eleven".