102111021102 has 16 divisors (see below), whose sum is σ = 204227603280. Its totient is φ = 34036080192.

The previous prime is 102111021037. The next prime is 102111021119. The reversal of 102111021102 is 201120111201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29674 + ... + 452882.

It is an arithmetic number, because the mean of its divisors is an integer number (12764225205).

Almost surely, 2^102111021102 is an apocalyptic number.

102111021102 is an abundant number, since it is smaller than the sum of its proper divisors (102116582178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111021102 is a wasteful number, since it uses less digits than its factorization.

102111021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463427.

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

Adding to 102111021102 its reverse (201120111201), we get a palindrome (303231132303).

Subtracting 102111021102 from its reverse (201120111201), we obtain a palindrome (99009090099).

The spelling of 102111021102 in words is "one hundred two billion, one hundred eleven million, twenty-one thousand, one hundred two".