20111222000002 has 16 divisors (see below), whose sum is σ = 34476449055552. Its totient is φ = 8619078021840.

The previous prime is 20111221999931. The next prime is 20111222000027. The reversal of 20111222000002 is 20000022211102.

It is a happy number.

It is a super-2 number, since 2×20111222000002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8037877 + ... + 10238647.

It is an arithmetic number, because the mean of its divisors is an integer number (2154778065972).

Almost surely, 2^{20111222000002} is an apocalyptic number.

20111222000002 is a deficient number, since it is larger than the sum of its proper divisors (14365227055550).

20111222000002 is a wasteful number, since it uses less digits than its factorization.

20111222000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853513.

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

Adding to 20111222000002 its reverse (20000022211102), we get a palindrome (40111244211104).

The spelling of 20111222000002 in words is "twenty trillion, one hundred eleven billion, two hundred twenty-two million, two", and thus it is an aban number.