20022022211101 has 4 divisors (see below), whose sum is σ = 20022167380572. Its totient is φ = 20021877041632.

The previous prime is 20022022211083. The next prime is 20022022211141. The reversal of 20022022211101 is 10111222022002.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12383149860900 + 7638872350201 = 3518970^2 + 2763851^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022022211101 - 2⁵ = 20022022211069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022022211141) 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, 72377656 + ... + 72653761.

It is an arithmetic number, because the mean of its divisors is an integer number (5005541845143).

Almost surely, 2^{20022022211101} is an apocalyptic number.

It is an amenable number.

20022022211101 is a deficient number, since it is larger than the sum of its proper divisors (145169471).

20022022211101 is a wasteful number, since it uses less digits than its factorization.

20022022211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145169470.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20022022211101 its reverse (10111222022002), we get a palindrome (30133244233103).

The spelling of 20022022211101 in words is "twenty trillion, twenty-two billion, twenty-two million, two hundred eleven thousand, one hundred one".