1211122000210 has 32 divisors (see below), whose sum is σ = 2275006124160. Its totient is φ = 463344444288.

The previous prime is 1211122000171. The next prime is 1211122000219. The reversal of 1211122000210 is 120002211121.

It is not an unprimeable number, because it can be changed into a prime (1211122000219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2411806 + ... + 2870374.

It is an arithmetic number, because the mean of its divisors is an integer number (71093941380).

Almost surely, 2^{1211122000210} is an apocalyptic number.

1211122000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211122000210 is a deficient number, since it is larger than the sum of its proper divisors (1063884123950).

1211122000210 is a wasteful number, since it uses less digits than its factorization.

1211122000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470082.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1211122000210 its reverse (120002211121), we get a palindrome (1331124211331).

The spelling of 1211122000210 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, two hundred ten", and thus it is an aban number.