101110201221210 has 256 divisors, whose sum is σ = 260603401863168. Its totient is φ = 25043982796800.

The previous prime is 101110201221193. The next prime is 101110201221241. The reversal of 101110201221210 is 12122102011101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101110201221210.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8563575127 + ... + 8563586933.

It is an arithmetic number, because the mean of its divisors is an integer number (1017982038528).

Almost surely, 2^{101110201221210} is an apocalyptic number.

101110201221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101110201221210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130301700931584).

101110201221210 is an abundant number, since it is smaller than the sum of its proper divisors (159493200641958).

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

101110201221210 is a wasteful number, since it uses less digits than its factorization.

101110201221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13269.

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

Adding to 101110201221210 its reverse (12122102011101), we get a palindrome (113232303232311).

The spelling of 101110201221210 in words is "one hundred one trillion, one hundred ten billion, two hundred one million, two hundred twenty-one thousand, two hundred ten".