20100201010011 has 24 divisors (see below), whose sum is σ = 29057257809840. Its totient is φ = 13389228135936.

The previous prime is 20100201009997. The next prime is 20100201010027. The reversal of 20100201010011 is 11001010200102.

It is a happy number.

It is not a de Polignac number, because 20100201010011 - 2⁷ = 20100201009883 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 20100201009975 and 20100201010002.

It is not an unprimeable number, because it can be changed into a prime (20100201010091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116851155 + ... + 117023043.

It is an arithmetic number, because the mean of its divisors is an integer number (1210719075410).

Almost surely, 2^{20100201010011} is an apocalyptic number.

20100201010011 is a deficient number, since it is larger than the sum of its proper divisors (8957056799829).

20100201010011 is a wasteful number, since it uses less digits than its factorization.

20100201010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182395 (or 182392 counting only the distinct ones).

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

Adding to 20100201010011 its reverse (11001010200102), we get a palindrome (31101211210113).

The spelling of 20100201010011 in words is "twenty trillion, one hundred billion, two hundred one million, ten thousand, eleven".