20201110001100 has 288 divisors, whose sum is σ = 78586280156160. Its totient is φ = 4345784939520.

The previous prime is 20201110001099. The next prime is 20201110001113. The reversal of 20201110001100 is 110001110202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31115224 + ... + 31757823.

It is an arithmetic number, because the mean of its divisors is an integer number (272869028320).

Almost surely, 2^{20201110001100} is an apocalyptic number.

20201110001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201110001100 is an abundant number, since it is smaller than the sum of its proper divisors (58385170155060).

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

20201110001100 is a wasteful number, since it uses less digits than its factorization.

20201110001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62873094 (or 62873081 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20201110001100 its reverse (110001110202), we get a palindrome (20311111111302).

The spelling of 20201110001100 in words is "twenty trillion, two hundred one billion, one hundred ten million, one thousand, one hundred".