102120221110 has 32 divisors (see below), whose sum is σ = 195794625600. Its totient is φ = 38215037952.

The previous prime is 102120221081. The next prime is 102120221179. The reversal of 102120221110 is 11122021201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1770135 + ... + 1826914.

It is an arithmetic number, because the mean of its divisors is an integer number (6118582050).

Almost surely, 2^102120221110 is an apocalyptic number.

102120221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120221110 is a deficient number, since it is larger than the sum of its proper divisors (93674404490).

102120221110 is a wasteful number, since it uses less digits than its factorization.

102120221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597240.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102120221110 its reverse (11122021201), we get a palindrome (113242242311).

The spelling of 102120221110 in words is "one hundred two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred ten".