211101120122 has 16 divisors (see below), whose sum is σ = 320992583400. Its totient is φ = 104109392640.

The previous prime is 211101120089. The next prime is 211101120247. The reversal of 211101120122 is 221021101112.

It can be written as a sum of positive squares in 4 ways, for example, as 187375571161 + 23725548961 = 432869^2 + 154031^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211101120097 and 211101120106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377029 + ... + 1522632.

Almost surely, 2^211101120122 is an apocalyptic number.

211101120122 is a deficient number, since it is larger than the sum of its proper divisors (109891463278).

211101120122 is a wasteful number, since it uses less digits than its factorization.

211101120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900161.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211101120122 its reverse (221021101112), we get a palindrome (432122221234).

The spelling of 211101120122 in words is "two hundred eleven billion, one hundred one million, one hundred twenty thousand, one hundred twenty-two".