20202220101111 has 8 divisors (see below), whose sum is σ = 26940375369600. Its totient is φ = 13466105783352.

The previous prime is 20202220101109. The next prime is 20202220101113. The reversal of 20202220101111 is 11110102220202.

It is an interprime number because it is at equal distance from previous prime (20202220101109) and next prime (20202220101113).

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

It is not a de Polignac number, because 20202220101111 - 2¹ = 20202220101109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202220101113) 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, 510214585 + ... + 510254178.

It is an arithmetic number, because the mean of its divisors is an integer number (3367546921200).

Almost surely, 2^{20202220101111} is an apocalyptic number.

20202220101111 is a deficient number, since it is larger than the sum of its proper divisors (6738155268489).

20202220101111 is a wasteful number, since it uses less digits than its factorization.

20202220101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020475365.

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

Adding to 20202220101111 its reverse (11110102220202), we get a palindrome (31312322321313).

The spelling of 20202220101111 in words is "twenty trillion, two hundred two billion, two hundred twenty million, one hundred one thousand, one hundred eleven".