1211122002 has 8 divisors (see below), whose sum is σ = 2422244016. Its totient is φ = 403707332.

The previous prime is 1211121943. The next prime is 1211122019. The reversal of 1211122002 is 2002211121.

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

1211122002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100926828 + ... + 100926839.

It is an arithmetic number, because the mean of its divisors is an integer number (302780502).

Almost surely, 2^1211122002 is an apocalyptic number.

1211122002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211122002 is a wasteful number, since it uses less digits than its factorization.

1211122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201853672.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1211122002 is about 34801.1781697114. The cubic root of 1211122002 is about 1065.9315035652.

Adding to 1211122002 its reverse (2002211121), we get a palindrome (3213333123).

The spelling of 1211122002 in words is "one billion, two hundred eleven million, one hundred twenty-two thousand, two".