20213303213111 has 8 divisors (see below), whose sum is σ = 20516310346224. Its totient is φ = 19910334787200.

The previous prime is 20213303213083. The next prime is 20213303213153. The reversal of 20213303213111 is 11131230331202.

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 20213303213111 - 2²² = 20213299018807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213303213711) 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, 8623700 + ... + 10714233.

It is an arithmetic number, because the mean of its divisors is an integer number (2564538793278).

Almost surely, 2^{20213303213111} is an apocalyptic number.

20213303213111 is a deficient number, since it is larger than the sum of its proper divisors (303007133113).

20213303213111 is a wasteful number, since it uses less digits than its factorization.

20213303213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19353601.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20213303213111 its reverse (11131230331202), we get a palindrome (31344533544313).

The spelling of 20213303213111 in words is "twenty trillion, two hundred thirteen billion, three hundred three million, two hundred thirteen thousand, one hundred eleven".