102111221201110 has 256 divisors, whose sum is σ = 208042678222848. Its totient is φ = 35773387776000.

The previous prime is 102111221201057. The next prime is 102111221201117. The reversal of 102111221201110 is 11102122111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111221201117) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18555552619 + ... + 18555558121.

It is an arithmetic number, because the mean of its divisors is an integer number (812666711808).

Almost surely, 2^{102111221201110} is an apocalyptic number.

102111221201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111221201110 is an abundant number, since it is smaller than the sum of its proper divisors (105931457021738).

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

102111221201110 is a wasteful number, since it uses less digits than its factorization.

102111221201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5999.

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

Adding to 102111221201110 its reverse (11102122111201), we get a palindrome (113213343312311).

It can be divided in two parts, 1021112 and 21201110, that added together give a palindrome (22222222).

The spelling of 102111221201110 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty-one million, two hundred one thousand, one hundred ten".