11220101123020 has 24 divisors (see below), whose sum is σ = 23581831236768. Its totient is φ = 4484303520000.

The previous prime is 11220101123009. The next prime is 11220101123069. The reversal of 11220101123020 is 2032110102211.

It is a junction number, because it is equal to n+sod(n) for n = 11220101122985 and 11220101123003.

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, 233533456 + ... + 233581495.

It is an arithmetic number, because the mean of its divisors is an integer number (982576301532).

Almost surely, 2^{11220101123020} is an apocalyptic number.

11220101123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220101123020 is an abundant number, since it is smaller than the sum of its proper divisors (12361730113748).

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

11220101123020 is a wasteful number, since it uses less digits than its factorization.

11220101123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467116161 (or 467116159 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11220101123020 its reverse (2032110102211), we get a palindrome (13252211225231).

The spelling of 11220101123020 in words is "eleven trillion, two hundred twenty billion, one hundred one million, one hundred twenty-three thousand, twenty".