20011222101013 has 32 divisors (see below), whose sum is σ = 23954419464192. Its totient is φ = 16474998758400.

The previous prime is 20011222101001. The next prime is 20011222101037. The reversal of 20011222101013 is 31010122211002.

It is not a de Polignac number, because 20011222101013 - 2⁹ = 20011222100501 is a prime.

It is a super-3 number, since 3×20011222101013³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011222101043) 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, 198223756 + ... + 198324682.

It is an arithmetic number, because the mean of its divisors is an integer number (748575608256).

Almost surely, 2^{20011222101013} is an apocalyptic number.

It is an amenable number.

20011222101013 is a deficient number, since it is larger than the sum of its proper divisors (3943197363179).

20011222101013 is a wasteful number, since it uses less digits than its factorization.

20011222101013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127165.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20011222101013 its reverse (31010122211002), we get a palindrome (51021344312015).

The spelling of 20011222101013 in words is "twenty trillion, eleven billion, two hundred twenty-two million, one hundred one thousand, thirteen".