12101221110110 has 16 divisors (see below), whose sum is σ = 23762397816432. Its totient is φ = 4400444040000.

The previous prime is 12101221110107. The next prime is 12101221110133. The reversal of 12101221110110 is 1101112210121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55005550391 + ... + 55005550610.

It is an arithmetic number, because the mean of its divisors is an integer number (1485149863527).

Almost surely, 2^{12101221110110} is an apocalyptic number.

12101221110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101221110110 is a deficient number, since it is larger than the sum of its proper divisors (11661176706322).

12101221110110 is a wasteful number, since it uses less digits than its factorization.

12101221110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110011101019.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12101221110110 its reverse (1101112210121), we get a palindrome (13202333320231).

It can be divided in two parts, 1210122 and 1110110, that added together give a palindrome (2320232).

The spelling of 12101221110110 in words is "twelve trillion, one hundred one billion, two hundred twenty-one million, one hundred ten thousand, one hundred ten".