22001100121002 has 8 divisors (see below), whose sum is σ = 44002200242016. Its totient is φ = 7333700040332.

The previous prime is 22001100120991. The next prime is 22001100121043. The reversal of 22001100121002 is 20012100110022.

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

22001100121002 is an admirable number.

It is an unprimeable number.

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, 1833425010078 + ... + 1833425010089.

It is an arithmetic number, because the mean of its divisors is an integer number (5500275030252).

Almost surely, 2^{22001100121002} is an apocalyptic number.

22001100121002 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.

22001100121002 is a wasteful number, since it uses less digits than its factorization.

22001100121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666850020172.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22001100121002 its reverse (20012100110022), we get a palindrome (42013200231024).

The spelling of 22001100121002 in words is "twenty-two trillion, one billion, one hundred million, one hundred twenty-one thousand, two".