22000001012002 has 32 divisors (see below), whose sum is σ = 36717519105792. Its totient is φ = 9820260068544.

The previous prime is 22000001011943. The next prime is 22000001012009. The reversal of 22000001012002 is 20021010000022.

It is a self number, because there is not a number n which added to its sum of digits gives 22000001012002.

It is not an unprimeable number, because it can be changed into a prime (22000001012009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68309478 + ... + 68630785.

It is an arithmetic number, because the mean of its divisors is an integer number (1147422472056).

Almost surely, 2^{22000001012002} is an apocalyptic number.

22000001012002 is a deficient number, since it is larger than the sum of its proper divisors (14717518093790).

22000001012002 is a wasteful number, since it uses less digits than its factorization.

22000001012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136940482.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22000001012002 its reverse (20021010000022), we get a palindrome (42021011012024).

The spelling of 22000001012002 in words is "twenty-two trillion, one million, twelve thousand, two".