20310113121011 has 8 divisors (see below), whose sum is σ = 23223768050784. Its totient is φ = 17399510740800.

The previous prime is 20310113121007. The next prime is 20310113121079. The reversal of 20310113121011 is 11012131101302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20310113121011 - 2² = 20310113121007 is a prime.

It is a super-3 number, since 3×20310113121011³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20310113121091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763123130 + ... + 763149743.

It is an arithmetic number, because the mean of its divisors is an integer number (2902971006348).

Almost surely, 2^{20310113121011} is an apocalyptic number.

20310113121011 is a deficient number, since it is larger than the sum of its proper divisors (2913654929773).

20310113121011 is a wasteful number, since it uses less digits than its factorization.

20310113121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526274781.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 20310113121011 its reverse (11012131101302), we get a palindrome (31322244222313).

The spelling of 20310113121011 in words is "twenty trillion, three hundred ten billion, one hundred thirteen million, one hundred twenty-one thousand, eleven".