101203231110 has 64 divisors (see below), whose sum is σ = 252197841600. Its totient is φ = 25959997952.

The previous prime is 101203231099. The next prime is 101203231117. The reversal of 101203231110 is 11132302101.

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 101203231110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101203231117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17812 + ... + 450248.

It is an arithmetic number, because the mean of its divisors is an integer number (3940591275).

Almost surely, 2^101203231110 is an apocalyptic number.

101203231110 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 101203231110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126098920800).

101203231110 is an abundant number, since it is smaller than the sum of its proper divisors (150994610490).

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

101203231110 is a wasteful number, since it uses less digits than its factorization.

101203231110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432745.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101203231110 its reverse (11132302101), we get a palindrome (112335533211).

The spelling of 101203231110 in words is "one hundred one billion, two hundred three million, two hundred thirty-one thousand, one hundred ten".