12101221102010 has 16 divisors (see below), whose sum is σ = 22928629456800. Its totient is φ = 4585725891216.

The previous prime is 12101221101911. The next prime is 12101221102027. The reversal of 12101221102010 is 1020112210121.

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, 31845318500 + ... + 31845318879.

It is an arithmetic number, because the mean of its divisors is an integer number (1433039341050).

Almost surely, 2^{12101221102010} is an apocalyptic number.

12101221102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101221102010 is a deficient number, since it is larger than the sum of its proper divisors (10827408354790).

12101221102010 is a wasteful number, since it uses less digits than its factorization.

12101221102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63690637405.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12101221102010 its reverse (1020112210121), we get a palindrome (13121333312131).

It can be divided in two parts, 1210122 and 1102010, that added together give a palindrome (2312132).

The spelling of 12101221102010 in words is "twelve trillion, one hundred one billion, two hundred twenty-one million, one hundred two thousand, ten".