22220111010002 has 4 divisors (see below), whose sum is σ = 33330166515006. Its totient is φ = 11110055505000.

The previous prime is 22220111010001. The next prime is 22220111010023. The reversal of 22220111010002 is 20001011102222.

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

It can be written as a sum of positive squares in only one way, i.e., 20766786729481 + 1453324280521 = 4557059^2 + 1205539^2 .

It is not an unprimeable number, because it can be changed into a prime (22220111010001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555027752499 + ... + 5555027752502.

Almost surely, 2^{22220111010002} is an apocalyptic number.

22220111010002 is a deficient number, since it is larger than the sum of its proper divisors (11110055505004).

22220111010002 is a wasteful number, since it uses less digits than its factorization.

22220111010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110055505003.

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

Adding to 22220111010002 its reverse (20001011102222), we get a palindrome (42221122112224).

The spelling of 22220111010002 in words is "twenty-two trillion, two hundred twenty billion, one hundred eleven million, ten thousand, two".