22000002020111 has 4 divisors (see below), whose sum is σ = 22000039429032. Its totient is φ = 21999964611192.

The previous prime is 22000002020107. The next prime is 22000002020119. The reversal of 22000002020111 is 11102020000022.

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 22000002020111 - 2² = 22000002020107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000002020092 and 22000002020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000002020119) 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, 17807996 + ... + 19003281.

It is an arithmetic number, because the mean of its divisors is an integer number (5500009857258).

Almost surely, 2^{22000002020111} is an apocalyptic number.

22000002020111 is a deficient number, since it is larger than the sum of its proper divisors (37408921).

22000002020111 is an equidigital number, since it uses as much as digits as its factorization.

22000002020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37408920.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22000002020111 its reverse (11102020000022), we get a palindrome (33102022020133).

The spelling of 22000002020111 in words is "twenty-two trillion, two million, twenty thousand, one hundred eleven".