110021221221102 has 160 divisors (see below), whose sum is σ = 248430710024640. Its totient is φ = 36392070044160.

The previous prime is 110021221221017. The next prime is 110021221221103. The reversal of 110021221221102 is 201122122120011.

110021221221102 is a `hidden beast` number, since 1 + 100 + 21 + 221 + 221 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021221221103) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 33635345727 + ... + 33635348997.

It is an arithmetic number, because the mean of its divisors is an integer number (1552691937654).

Almost surely, 2^{110021221221102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110021221221102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124215355012320).

110021221221102 is an abundant number, since it is smaller than the sum of its proper divisors (138409488803538).

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

110021221221102 is a wasteful number, since it uses less digits than its factorization.

110021221221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280 (or 6271 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 110021221221102 its reverse (201122122120011), we get a palindrome (311143343341113).

The spelling of 110021221221102 in words is "one hundred ten trillion, twenty-one billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred two".