20101102010011 has 32 divisors (see below), whose sum is σ = 24245708820480. Its totient is φ = 16449595668000.

The previous prime is 20101102009991. The next prime is 20101102010023. The reversal of 20101102010011 is 11001020110102.

It is not a de Polignac number, because 20101102010011 - 2¹⁷ = 20101101878939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20101102010011.

It is not an unprimeable number, because it can be changed into a prime (20101102010051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13120605 + ... + 14572318.

It is an arithmetic number, because the mean of its divisors is an integer number (757678400640).

Almost surely, 2^{20101102010011} is an apocalyptic number.

20101102010011 is a deficient number, since it is larger than the sum of its proper divisors (4144606810469).

20101102010011 is a wasteful number, since it uses less digits than its factorization.

20101102010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27693127.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20101102010011 its reverse (11001020110102), we get a palindrome (31102122120113).

The spelling of 20101102010011 in words is "twenty trillion, one hundred one billion, one hundred two million, ten thousand, eleven".