201101001111020 has 24 divisors (see below), whose sum is σ = 422312590576800. Its totient is φ = 80440307445632.

The previous prime is 201101001111019. The next prime is 201101001111029. The reversal of 201101001111020 is 20111100101102.

It is a super-2 number, since 2×201101001111020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201101001110992 and 201101001111010.

It is not an unprimeable number, because it can be changed into a prime (201101001111029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13481336 + ... + 24165024.

It is an arithmetic number, because the mean of its divisors is an integer number (17596357940700).

Almost surely, 2^{201101001111020} is an apocalyptic number.

201101001111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101001111020 is an abundant number, since it is smaller than the sum of its proper divisors (221211589465780).

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

201101001111020 is a wasteful number, since it uses less digits than its factorization.

201101001111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624857 (or 11624855 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201101001111020 its reverse (20111100101102), we get a palindrome (221212101212122).

The spelling of 201101001111020 in words is "two hundred one trillion, one hundred one billion, one million, one hundred eleven thousand, twenty".