20211313011 has 8 divisors (see below), whose sum is σ = 27676753104. Its totient is φ = 13110040800.

The previous prime is 20211312991. The next prime is 20211313021. The reversal of 20211313011 is 11031311202.

It is a happy number.

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

It is not a de Polignac number, because 20211313011 - 2⁷ = 20211312883 is a prime.

It is a super-2 number, since 2×20211313011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20211313021) 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, 91041840 + ... + 91042061.

It is an arithmetic number, because the mean of its divisors is an integer number (3459594138).

Almost surely, 2^20211313011 is an apocalyptic number.

20211313011 is a deficient number, since it is larger than the sum of its proper divisors (7465440093).

20211313011 is a wasteful number, since it uses less digits than its factorization.

20211313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182083941.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20211313011 its reverse (11031311202), we get a palindrome (31242624213).

The spelling of 20211313011 in words is "twenty billion, two hundred eleven million, three hundred thirteen thousand, eleven".