211210220000122 has 32 divisors (see below), whose sum is σ = 362436132799872. Its totient is φ = 90428318797824.

The previous prime is 211210220000047. The next prime is 211210220000141. The reversal of 211210220000122 is 221000022012112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211210220000096 and 211210220000105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123004933 + ... + 124710199.

It is an arithmetic number, because the mean of its divisors is an integer number (11326129149996).

Almost surely, 2^{211210220000122} is an apocalyptic number.

211210220000122 is a deficient number, since it is larger than the sum of its proper divisors (151225912799750).

211210220000122 is a wasteful number, since it uses less digits than its factorization.

211210220000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714102.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211210220000122 its reverse (221000022012112), we get a palindrome (432210242012234).

The spelling of 211210220000122 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twenty million, one hundred twenty-two", and thus it is an aban number.