1123320101010 has 128 divisors (see below), whose sum is σ = 2788430690304. Its totient is φ = 289399910400.

The previous prime is 1123320100951. The next prime is 1123320101023. The reversal of 1123320101010 is 101010233211.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99253872 + ... + 99265188.

It is an arithmetic number, because the mean of its divisors is an integer number (21784614768).

Almost surely, 2^{1123320101010} is an apocalyptic number.

1123320101010 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 1123320101010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394215345152).

1123320101010 is an abundant number, since it is smaller than the sum of its proper divisors (1665110589294).

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

1123320101010 is a wasteful number, since it uses less digits than its factorization.

1123320101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988.

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

Adding to 1123320101010 its reverse (101010233211), we get a palindrome (1224330334221).

The spelling of 1123320101010 in words is "one trillion, one hundred twenty-three billion, three hundred twenty million, one hundred one thousand, ten".