201111002233020 has 432 divisors, whose sum is σ = 695971167615360. Its totient is φ = 48712095653760.

The previous prime is 201111002232997. The next prime is 201111002233051. The reversal of 201111002233020 is 20332200111102.

201111002233020 is a `hidden beast` number, since 20 + 11 + 110 + 0 + 223 + 302 + 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 = 201111002232984 and 201111002233002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 683766751 + ... + 684060809.

It is an arithmetic number, because the mean of its divisors is an integer number (1611044369480).

Almost surely, 2^{201111002233020} is an apocalyptic number.

201111002233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201111002233020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347985583807680).

201111002233020 is an abundant number, since it is smaller than the sum of its proper divisors (494860165382340).

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

201111002233020 is a wasteful number, since it uses less digits than its factorization.

201111002233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295268 (or 295243 counting only the distinct ones).

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

Adding to 201111002233020 its reverse (20332200111102), we get a palindrome (221443202344122).

The spelling of 201111002233020 in words is "two hundred one trillion, one hundred eleven billion, two million, two hundred thirty-three thousand, twenty".