20213310111 has 8 divisors (see below), whose sum is σ = 26951949744. Its totient is φ = 13475105280.

The previous prime is 20213310101. The next prime is 20213310121. The reversal of 20213310111 is 11101331202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20213310101) and next prime (20213310121).

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

It is not a de Polignac number, because 20213310111 - 2¹⁷ = 20213179039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213310101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22345 + ... + 202301.

It is an arithmetic number, because the mean of its divisors is an integer number (3368993718).

Almost surely, 2^20213310111 is an apocalyptic number.

20213310111 is a deficient number, since it is larger than the sum of its proper divisors (6738639633).

20213310111 is a wasteful number, since it uses less digits than its factorization.

20213310111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217401.

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

Adding to 20213310111 its reverse (11101331202), we get a palindrome (31314641313).

The spelling of 20213310111 in words is "twenty billion, two hundred thirteen million, three hundred ten thousand, one hundred eleven".