22020100121011 has 4 divisors (see below), whose sum is σ = 22068284147992. Its totient is φ = 21971916094032.

The previous prime is 22020100120999. The next prime is 22020100121029. The reversal of 22020100121011 is 11012100102022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22020100121011 - 2¹¹ = 22020100118963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020100120982 and 22020100121000.

It is not an unprimeable number, because it can be changed into a prime (22020100121081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24092012805 + ... + 24092013718.

It is an arithmetic number, because the mean of its divisors is an integer number (5517071036998).

Almost surely, 2^{22020100121011} is an apocalyptic number.

22020100121011 is a deficient number, since it is larger than the sum of its proper divisors (48184026981).

22020100121011 is an equidigital number, since it uses as much as digits as its factorization.

22020100121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48184026980.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22020100121011 its reverse (11012100102022), we get a palindrome (33032200223033).

The spelling of 22020100121011 in words is "twenty-two trillion, twenty billion, one hundred million, one hundred twenty-one thousand, eleven".