212202211220111 has 24 divisors (see below), whose sum is σ = 249430877524080. Its totient is φ = 179984626601472.

The previous prime is 212202211220089. The next prime is 212202211220147. The reversal of 212202211220111 is 111022112202212.

It is not a de Polignac number, because 212202211220111 - 2¹⁴ = 212202211203727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202211220171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27296396 + ... + 34197918.

It is an arithmetic number, because the mean of its divisors is an integer number (10392953230170).

Almost surely, 2^{212202211220111} is an apocalyptic number.

212202211220111 is a deficient number, since it is larger than the sum of its proper divisors (37228666303969).

212202211220111 is an equidigital number, since it uses as much as digits as its factorization.

212202211220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6908103 (or 6908096 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212202211220111 its reverse (111022112202212), we get a palindrome (323224323422323).

The spelling of 212202211220111 in words is "two hundred twelve trillion, two hundred two billion, two hundred eleven million, two hundred twenty thousand, one hundred eleven".