20022221111101 has 4 divisors (see below), whose sum is σ = 21842423030304. Its totient is φ = 18202019191900.

The previous prime is 20022221111063. The next prime is 20022221111117. The reversal of 20022221111101 is 10111112222002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20022221111101 - 2¹³ = 20022221102909 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 (20022221141101) 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, 910100959585 + ... + 910100959606.

It is an arithmetic number, because the mean of its divisors is an integer number (5460605757576).

Almost surely, 2^{20022221111101} is an apocalyptic number.

It is an amenable number.

20022221111101 is a deficient number, since it is larger than the sum of its proper divisors (1820201919203).

20022221111101 is a wasteful number, since it uses less digits than its factorization.

20022221111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820201919202.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20022221111101 its reverse (10111112222002), we get a palindrome (30133333333103).

The spelling of 20022221111101 in words is "twenty trillion, twenty-two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred one".