20212202101111 has 8 divisors (see below), whose sum is σ = 20566131868800. Its totient is φ = 19858650669240.

The previous prime is 20212202101033. The next prime is 20212202101127. The reversal of 20212202101111 is 11110120221202.

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 20212202101111 - 2¹⁷ = 20212201970039 is a prime.

It is a super-2 number, since 2×20212202101111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212202101171) 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, 94476171 + ... + 94689868.

It is an arithmetic number, because the mean of its divisors is an integer number (2570766483600).

Almost surely, 2^{20212202101111} is an apocalyptic number.

20212202101111 is a deficient number, since it is larger than the sum of its proper divisors (353929767689).

20212202101111 is a wasteful number, since it uses less digits than its factorization.

20212202101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189167909.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20212202101111 its reverse (11110120221202), we get a palindrome (31322322322313).

The spelling of 20212202101111 in words is "twenty trillion, two hundred twelve billion, two hundred two million, one hundred one thousand, one hundred eleven".