211101000122122 has 16 divisors (see below), whose sum is σ = 345729017934432. Its totient is φ = 95874161795920.

The previous prime is 211101000122083. The next prime is 211101000122123. The reversal of 211101000122122 is 221221000101112.

It is a junction number, because it is equal to n+sod(n) for n = 211101000122096 and 211101000122105.

It is not an unprimeable number, because it can be changed into a prime (211101000122123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4041886273 + ... + 4041938500.

It is an arithmetic number, because the mean of its divisors is an integer number (21608063620902).

Almost surely, 2^{211101000122122} is an apocalyptic number.

211101000122122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211101000122122 is a deficient number, since it is larger than the sum of its proper divisors (134628017812310).

211101000122122 is a wasteful number, since it uses less digits than its factorization.

211101000122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8083825973.

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

Adding to 211101000122122 its reverse (221221000101112), we get a palindrome (432322000223234).

The spelling of 211101000122122 in words is "two hundred eleven trillion, one hundred one billion, one hundred twenty-two thousand, one hundred twenty-two".