20212211212110 has 24 divisors (see below), whose sum is σ = 52551749151720. Its totient is φ = 5389922989872.

The previous prime is 20212211212099. The next prime is 20212211212117. The reversal of 20212211212110 is 1121211221202.

20212211212110 is a `hidden beast` number, since 20 + 212 + 211 + 212 + 1 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212211212117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112290062200 + ... + 112290062379.

It is an arithmetic number, because the mean of its divisors is an integer number (2189656214655).

Almost surely, 2^{20212211212110} is an apocalyptic number.

20212211212110 is an abundant number, since it is smaller than the sum of its proper divisors (32339537939610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20212211212110 is a wasteful number, since it uses less digits than its factorization.

20212211212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224580124592 (or 224580124589 counting only the distinct ones).

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

Adding to 20212211212110 its reverse (1121211221202), we get a palindrome (21333422433312).

The spelling of 20212211212110 in words is "twenty trillion, two hundred twelve billion, two hundred eleven million, two hundred twelve thousand, one hundred ten".