20022102021111 has 8 divisors (see below), whose sum is σ = 26815849643520. Its totient is φ = 13288211206392.

The previous prime is 20022102021109. The next prime is 20022102021127. The reversal of 20022102021111 is 11112020122002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20022102021111 - 2¹ = 20022102021109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022102021611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14964201141 + ... + 14964202478.

It is an arithmetic number, because the mean of its divisors is an integer number (3351981205440).

Almost surely, 2^{20022102021111} is an apocalyptic number.

20022102021111 is a deficient number, since it is larger than the sum of its proper divisors (6793747622409).

20022102021111 is a wasteful number, since it uses less digits than its factorization.

20022102021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29928403845.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20022102021111 its reverse (11112020122002), we get a palindrome (31134122143113).

The spelling of 20022102021111 in words is "twenty trillion, twenty-two billion, one hundred two million, twenty-one thousand, one hundred eleven".