20101333111213 has 16 divisors (see below), whose sum is σ = 20568116943360. Its totient is φ = 19638794375856.

The previous prime is 20101333111201. The next prime is 20101333111243. The reversal of 20101333111213 is 31211133310102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20101333111213 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 (20101333111243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55815106 + ... + 56174092.

It is an arithmetic number, because the mean of its divisors is an integer number (1285507308960).

Almost surely, 2^{20101333111213} is an apocalyptic number.

It is an amenable number.

20101333111213 is a deficient number, since it is larger than the sum of its proper divisors (466783832147).

20101333111213 is a wasteful number, since it uses less digits than its factorization.

20101333111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364896.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 20101333111213 its reverse (31211133310102), we get a palindrome (51312466421315).

The spelling of 20101333111213 in words is "twenty trillion, one hundred one billion, three hundred thirty-three million, one hundred eleven thousand, two hundred thirteen".