1123410101220 has 72 divisors (see below), whose sum is σ = 3717466159680. Its totient is φ = 272341842240.

The previous prime is 1123410101161. The next prime is 1123410101221. The reversal of 1123410101220 is 221010143211.

1123410101220 is a `hidden beast` number, since 1 + 1 + 2 + 341 + 0 + 101 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1123410101193 and 1123410101202.

It is not an unprimeable number, because it can be changed into a prime (1123410101221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283687440 + ... + 283691399.

It is an arithmetic number, because the mean of its divisors is an integer number (51631474440).

Almost surely, 2^{1123410101220} is an apocalyptic number.

1123410101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123410101220 is an abundant number, since it is smaller than the sum of its proper divisors (2594056058460).

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

1123410101220 is a wasteful number, since it uses less digits than its factorization.

1123410101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567378865 (or 567378860 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1123410101220 its reverse (221010143211), we get a palindrome (1344420244431).

The spelling of 1123410101220 in words is "one trillion, one hundred twenty-three billion, four hundred ten million, one hundred one thousand, two hundred twenty".