1101233003220 has 72 divisors (see below), whose sum is σ = 3817607748864. Its totient is φ = 251710400448.

The previous prime is 1101233003209. The next prime is 1101233003243. The reversal of 1101233003220 is 223003321011.

1101233003220 is a `hidden beast` number, since 1 + 1 + 0 + 12 + 330 + 0 + 322 + 0 = 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 = 1101233003193 and 1101233003202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436995964 + ... + 436998483.

Almost surely, 2^{1101233003220} is an apocalyptic number.

1101233003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101233003220 is an abundant number, since it is smaller than the sum of its proper divisors (2716374745644).

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

1101233003220 is a wasteful number, since it uses less digits than its factorization.

1101233003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873994469 (or 873994464 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1101233003220 its reverse (223003321011), we get a palindrome (1324236324231).

The spelling of 1101233003220 in words is "one trillion, one hundred one billion, two hundred thirty-three million, three thousand, two hundred twenty".