211011221222122 has 8 divisors (see below), whose sum is σ = 316516902895872. Its totient is φ = 105505586923500.

The previous prime is 211011221222093. The next prime is 211011221222129. The reversal of 211011221222122 is 221222122110112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211011221222122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211011221222093 and 211011221222102.

It is not an unprimeable number, because it can be changed into a prime (211011221222129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3024247 + ... + 20764597.

It is an arithmetic number, because the mean of its divisors is an integer number (39564612861984).

Almost surely, 2^{211011221222122} is an apocalyptic number.

211011221222122 is a deficient number, since it is larger than the sum of its proper divisors (105505681673750).

211011221222122 is a wasteful number, since it uses less digits than its factorization.

211011221222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23687564.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 211011221222122 its reverse (221222122110112), we get a palindrome (432233343332234).

The spelling of 211011221222122 in words is "two hundred eleven trillion, eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".