22001121100002 has 128 divisors (see below), whose sum is σ = 48596035276800. Its totient is φ = 6585218519040.

The previous prime is 22001121099983. The next prime is 22001121100027. The reversal of 22001121100002 is 20000112110022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1078528999 + ... + 1078549397.

It is an arithmetic number, because the mean of its divisors is an integer number (379656525600).

Almost surely, 2^{22001121100002} is an apocalyptic number.

22001121100002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22001121100002 is an abundant number, since it is smaller than the sum of its proper divisors (26594914176798).

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

22001121100002 is a wasteful number, since it uses less digits than its factorization.

22001121100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21208.

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

Adding to 22001121100002 its reverse (20000112110022), we get a palindrome (42001233210024).

The spelling of 22001121100002 in words is "twenty-two trillion, one billion, one hundred twenty-one million, one hundred thousand, two".