211012001212222 has 48 divisors (see below), whose sum is σ = 384246454581792. Its totient is φ = 86491999661760.

The previous prime is 211012001212099. The next prime is 211012001212223. The reversal of 211012001212222 is 222212100210112.

It is a self number, because there is not a number n which added to its sum of digits gives 211012001212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012001212223) 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, 14576068 + ... + 25189000.

It is an arithmetic number, because the mean of its divisors is an integer number (8005134470454).

Almost surely, 2^{211012001212222} is an apocalyptic number.

211012001212222 is a deficient number, since it is larger than the sum of its proper divisors (173234453369570).

211012001212222 is a wasteful number, since it uses less digits than its factorization.

211012001212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621793 (or 10621786 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211012001212222 its reverse (222212100210112), we get a palindrome (433224101422334).

The spelling of 211012001212222 in words is "two hundred eleven trillion, twelve billion, one million, two hundred twelve thousand, two hundred twenty-two".