22020020002111 has 4 divisors (see below), whose sum is σ = 22214887435872. Its totient is φ = 21825152568352.

The previous prime is 22020020002091. The next prime is 22020020002133. The reversal of 22020020002111 is 11120002002022.

It is a happy number.

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 22020020002111 - 2²¹ = 22020017904959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020020002091 and 22020020002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020024002111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97433716711 + ... + 97433716936.

It is an arithmetic number, because the mean of its divisors is an integer number (5553721858968).

Almost surely, 2^{22020020002111} is an apocalyptic number.

22020020002111 is a deficient number, since it is larger than the sum of its proper divisors (194867433761).

22020020002111 is a wasteful number, since it uses less digits than its factorization.

22020020002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194867433760.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22020020002111 its reverse (11120002002022), we get a palindrome (33140022004133).

The spelling of 22020020002111 in words is "twenty-two trillion, twenty billion, twenty million, two thousand, one hundred eleven".