11231302100220 has 120 divisors (see below), whose sum is σ = 35358396475248. Its totient is φ = 2984355360000.

The previous prime is 11231302100141. The next prime is 11231302100261. The reversal of 11231302100220 is 2200120313211.

11231302100220 is a `hidden beast` number, since 1 + 1 + 231 + 3 + 0 + 210 + 0 + 220 = 666.

It is a super-2 number, since 2×11231302100220² (a number of 27 digits) contains 22 as substring.

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 = 11231302100193 and 11231302100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11880906 + ... + 12791345.

Almost surely, 2^{11231302100220} is an apocalyptic number.

11231302100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231302100220 is an abundant number, since it is smaller than the sum of its proper divisors (24127094375028).

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

11231302100220 is a wasteful number, since it uses less digits than its factorization.

11231302100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24672553 (or 24672542 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11231302100220 its reverse (2200120313211), we get a palindrome (13431422413431).

The spelling of 11231302100220 in words is "eleven trillion, two hundred thirty-one billion, three hundred two million, one hundred thousand, two hundred twenty".