22100121020121 has 8 divisors (see below), whose sum is σ = 29470741834080. Its totient is φ = 14731457109792.

The previous prime is 22100121020119. The next prime is 22100121020129. The reversal of 22100121020121 is 12102012100122.

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

It is not a de Polignac number, because 22100121020121 - 2¹ = 22100121020119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22100121020121.

It is not an unprimeable number, because it can be changed into a prime (22100121020129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489199555 + ... + 489244728.

It is an arithmetic number, because the mean of its divisors is an integer number (3683842729260).

Almost surely, 2^{22100121020121} is an apocalyptic number.

It is an amenable number.

22100121020121 is a deficient number, since it is larger than the sum of its proper divisors (7370620813959).

22100121020121 is an equidigital number, since it uses as much as digits as its factorization.

22100121020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978451815.

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

Adding to 22100121020121 its reverse (12102012100122), we get a palindrome (34202133120243).

The spelling of 22100121020121 in words is "twenty-two trillion, one hundred billion, one hundred twenty-one million, twenty thousand, one hundred twenty-one".