212201011101188 has 24 divisors (see below), whose sum is σ = 376583228562240. Its totient is φ = 104605812087840.

The previous prime is 212201011101187. The next prime is 212201011101217. The reversal of 212201011101188 is 881101110102212.

It is a super-2 number, since 2×212201011101188² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212201011101188.

It is not an unprimeable number, because it can be changed into a prime (212201011101181) 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, 111223598 + ... + 113115386.

It is an arithmetic number, because the mean of its divisors is an integer number (15690967856760).

Almost surely, 2^{212201011101188} is an apocalyptic number.

It is an amenable number.

212201011101188 is a deficient number, since it is larger than the sum of its proper divisors (164382217461052).

212201011101188 is a wasteful number, since it uses less digits than its factorization.

212201011101188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286827 (or 2286825 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 29.

The spelling of 212201011101188 in words is "two hundred twelve trillion, two hundred one billion, eleven million, one hundred one thousand, one hundred eighty-eight".