1211122002002 has 32 divisors (see below), whose sum is σ = 2098674805824. Its totient is φ = 518062809600.

The previous prime is 1211122001899. The next prime is 1211122002007. The reversal of 1211122002002 is 2002002211121.

It is not an unprimeable number, because it can be changed into a prime (1211122002007) 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, 2882477 + ... + 3275807.

It is an arithmetic number, because the mean of its divisors is an integer number (65583587682).

Almost surely, 2^{1211122002002} is an apocalyptic number.

1211122002002 is a deficient number, since it is larger than the sum of its proper divisors (887552803822).

1211122002002 is a wasteful number, since it uses less digits than its factorization.

1211122002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401594.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1211122002002 its reverse (2002002211121), we get a palindrome (3213124213123).

The spelling of 1211122002002 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, two thousand, two".