20212213301111 has 64 divisors (see below), whose sum is σ = 23952839049216. Its totient is φ = 16897511347200.

The previous prime is 20212213301029. The next prime is 20212213301123. The reversal of 20212213301111 is 11110331221202.

It is a de Polignac number, because none of the positive numbers 2^k-20212213301111 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 (20212213301141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1810962371 + ... + 1810973531.

It is an arithmetic number, because the mean of its divisors is an integer number (374263110144).

Almost surely, 2^{20212213301111} is an apocalyptic number.

20212213301111 is a deficient number, since it is larger than the sum of its proper divisors (3740625748105).

20212213301111 is a wasteful number, since it uses less digits than its factorization.

20212213301111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15432.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 20212213301111 its reverse (11110331221202), we get a palindrome (31322544522313).

The spelling of 20212213301111 in words is "twenty trillion, two hundred twelve billion, two hundred thirteen million, three hundred one thousand, one hundred eleven".