11222120002 has 8 divisors (see below), whose sum is σ = 17823367116. Its totient is φ = 5280997632.

The previous prime is 11222119973. The next prime is 11222120009. The reversal of 11222120002 is 20002122211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9654831081 + 1567288921 = 98259^2 + 39589^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11222120009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165031143 + ... + 165031210.

Almost surely, 2^11222120002 is an apocalyptic number.

11222120002 is a deficient number, since it is larger than the sum of its proper divisors (6601247114).

11222120002 is a wasteful number, since it uses less digits than its factorization.

11222120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330062372.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11222120002 its reverse (20002122211), we get a palindrome (31224242213).

The spelling of 11222120002 in words is "eleven billion, two hundred twenty-two million, one hundred twenty thousand, two".