20212211122101 has 48 divisors (see below), whose sum is σ = 30120701520000. Its totient is φ = 13051187420544.

The previous prime is 20212211122043. The next prime is 20212211122109. The reversal of 20212211122101 is 10122111221202.

20212211122101 is a `hidden beast` number, since 20 + 212 + 211 + 1 + 221 + 0 + 1 = 666.

It is not a de Polignac number, because 20212211122101 - 2¹¹ = 20212211120053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212211122109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69468810 + ... + 69759156.

It is an arithmetic number, because the mean of its divisors is an integer number (627514615000).

Almost surely, 2^{20212211122101} is an apocalyptic number.

It is an amenable number.

20212211122101 is a deficient number, since it is larger than the sum of its proper divisors (9908490397899).

20212211122101 is a wasteful number, since it uses less digits than its factorization.

20212211122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291338 (or 291335 counting only the distinct ones).

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

Adding to 20212211122101 its reverse (10122111221202), we get a palindrome (30334322343303).

The spelling of 20212211122101 in words is "twenty trillion, two hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, one hundred one".