20022021210111 has 8 divisors (see below), whose sum is σ = 26696122521600. Its totient is φ = 13347967019352.

The previous prime is 20022021210091. The next prime is 20022021210131. The reversal of 20022021210111 is 11101212022002.

It is an interprime number because it is at equal distance from previous prime (20022021210091) and next prime (20022021210131).

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

It is not a de Polignac number, because 20022021210111 - 2¹⁵ = 20022021177343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022021210131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10776511 + ... + 12497088.

It is an arithmetic number, because the mean of its divisors is an integer number (3337015315200).

Almost surely, 2^{20022021210111} is an apocalyptic number.

20022021210111 is a deficient number, since it is larger than the sum of its proper divisors (6674101311489).

20022021210111 is a wasteful number, since it uses less digits than its factorization.

20022021210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23560365.

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

Adding to 20022021210111 its reverse (11101212022002), we get a palindrome (31123233232113).

The spelling of 20022021210111 in words is "twenty trillion, twenty-two billion, twenty-one million, two hundred ten thousand, one hundred eleven".