211225668862 has 32 divisors (see below), whose sum is σ = 349593146784. Its totient is φ = 95094604800.

The previous prime is 211225668853. The next prime is 211225668869. The reversal of 211225668862 is 268866522112.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211225668869) 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, 7886758 + ... + 7913494.

It is an arithmetic number, because the mean of its divisors is an integer number (10924785837).

Almost surely, 2^211225668862 is an apocalyptic number.

211225668862 is a deficient number, since it is larger than the sum of its proper divisors (138367477922).

211225668862 is a wasteful number, since it uses less digits than its factorization.

211225668862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34204.

The product of its digits is 1105920, while the sum is 49.

The spelling of 211225668862 in words is "two hundred eleven billion, two hundred twenty-five million, six hundred sixty-eight thousand, eight hundred sixty-two".