101221001110122 has 32 divisors (see below), whose sum is σ = 207915583285824. Its totient is φ = 32828089276800.

The previous prime is 101221001110109. The next prime is 101221001110127. The reversal of 101221001110122 is 221011100122101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101221001110127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19321797 + ... + 23995287.

It is an arithmetic number, because the mean of its divisors is an integer number (6497361977682).

Almost surely, 2^{101221001110122} is an apocalyptic number.

101221001110122 is an abundant number, since it is smaller than the sum of its proper divisors (106694582175702).

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

101221001110122 is a wasteful number, since it uses less digits than its factorization.

101221001110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771094.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101221001110122 its reverse (221011100122101), we get a palindrome (322232101232223).

The spelling of 101221001110122 in words is "one hundred one trillion, two hundred twenty-one billion, one million, one hundred ten thousand, one hundred twenty-two".