22012121110002 has 8 divisors (see below), whose sum is σ = 44024242220016. Its totient is φ = 7337373703332.

The previous prime is 22012121109941. The next prime is 22012121110009. The reversal of 22012121110002 is 20001112121022.

It is a sphenic number, since it is the product of 3 distinct primes.

22012121110002 is an admirable number.

It is a super-2 number, since 2×22012121110002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22012121110009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834343425828 + ... + 1834343425839.

It is an arithmetic number, because the mean of its divisors is an integer number (5503030277502).

Almost surely, 2^{22012121110002} is an apocalyptic number.

22012121110002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22012121110002 is a wasteful number, since it uses less digits than its factorization.

22012121110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668686851672.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22012121110002 its reverse (20001112121022), we get a palindrome (42013233231024).

The spelling of 22012121110002 in words is "twenty-two trillion, twelve billion, one hundred twenty-one million, one hundred ten thousand, two".