1123100211030 has 96 divisors (see below), whose sum is σ = 3140580418560. Its totient is φ = 256293696960.

The previous prime is 1123100211029. The next prime is 1123100211043. The reversal of 1123100211030 is 301120013211.

It is a happy number.

It is a super-2 number, since 2×1123100211030² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292795 + ... + 1527065.

It is an arithmetic number, because the mean of its divisors is an integer number (32714379360).

Almost surely, 2^{1123100211030} is an apocalyptic number.

1123100211030 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 1123100211030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570290209280).

1123100211030 is an abundant number, since it is smaller than the sum of its proper divisors (2017480207530).

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

1123100211030 is a wasteful number, since it uses less digits than its factorization.

1123100211030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234914 (or 1234907 counting only the distinct ones).

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

Adding to 1123100211030 its reverse (301120013211), we get a palindrome (1424220224241).

The spelling of 1123100211030 in words is "one trillion, one hundred twenty-three billion, one hundred million, two hundred eleven thousand, thirty".