22001010212002 has 4 divisors (see below), whose sum is σ = 33001515318006. Its totient is φ = 11000505106000.

The previous prime is 22001010211987. The next prime is 22001010212017. The reversal of 22001010212002 is 20021201010022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22001010211987) and next prime (22001010212017).

It can be written as a sum of positive squares in only one way, i.e., 21470981075041 + 530029136961 = 4633679^2 + 728031^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500252552999 + ... + 5500252553002.

Almost surely, 2^{22001010212002} is an apocalyptic number.

22001010212002 is a deficient number, since it is larger than the sum of its proper divisors (11000505106004).

22001010212002 is a wasteful number, since it uses less digits than its factorization.

22001010212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000505106003.

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

Adding to 22001010212002 its reverse (20021201010022), we get a palindrome (42022211222024).

The spelling of 22001010212002 in words is "twenty-two trillion, one billion, ten million, two hundred twelve thousand, two".