222101211000002 has 4 divisors (see below), whose sum is σ = 333151816500006. Its totient is φ = 111050605500000.

The previous prime is 222101210999953. The next prime is 222101211000103. The reversal of 222101211000002 is 200000112101222.

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., 149248516326361 + 72852694673641 = 12216731^2 + 8535379^2 .

It is a super-4 number, since 4×222101211000002⁴ (a number of 58 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55525302749999 + ... + 55525302750002.

Almost surely, 2^{222101211000002} is an apocalyptic number.

222101211000002 is a deficient number, since it is larger than the sum of its proper divisors (111050605500004).

222101211000002 is a wasteful number, since it uses less digits than its factorization.

222101211000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111050605500003.

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

Adding to 222101211000002 its reverse (200000112101222), we get a palindrome (422101323101224).

The spelling of 222101211000002 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred eleven million, two", and thus it is an aban number.