20220211221111 has 64 divisors (see below), whose sum is σ = 32714611015680. Its totient is φ = 12241375020000.

The previous prime is 20220211221101. The next prime is 20220211221139. The reversal of 20220211221111 is 11112211202202.

20220211221111 is a `hidden beast` number, since 2 + 0 + 220 + 211 + 221 + 1 + 11 = 666.

It is not a de Polignac number, because 20220211221111 - 2¹¹ = 20220211219063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220211221101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1297573626 + ... + 1297589208.

It is an arithmetic number, because the mean of its divisors is an integer number (511165797120).

Almost surely, 2^{20220211221111} is an apocalyptic number.

20220211221111 is a deficient number, since it is larger than the sum of its proper divisors (12494399794569).

20220211221111 is a wasteful number, since it uses less digits than its factorization.

20220211221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20065 (or 20059 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20220211221111 its reverse (11112211202202), we get a palindrome (31332422423313).

The spelling of 20220211221111 in words is "twenty trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty-one thousand, one hundred eleven".