1234111113220 has 24 divisors (see below), whose sum is σ = 2646774474624. Its totient is φ = 483141371616.

The previous prime is 1234111113211. The next prime is 1234111113233. The reversal of 1234111113220 is 223111114321.

It is a junction number, because it is equal to n+sod(n) for n = 1234111113191 and 1234111113200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656441142 + ... + 656443021.

It is an arithmetic number, because the mean of its divisors is an integer number (110282269776).

Almost surely, 2^{1234111113220} is an apocalyptic number.

1234111113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234111113220 is an abundant number, since it is smaller than the sum of its proper divisors (1412663361404).

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

1234111113220 is a wasteful number, since it uses less digits than its factorization.

1234111113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312884219 (or 1312884217 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1234111113220 its reverse (223111114321), we get a palindrome (1457222227541).

The spelling of 1234111113220 in words is "one trillion, two hundred thirty-four billion, one hundred eleven million, one hundred thirteen thousand, two hundred twenty".