10221122020212 has 18 divisors (see below), whose sum is σ = 25836725106738. Its totient is φ = 3407040673392.

The previous prime is 10221122020199. The next prime is 10221122020237. The reversal of 10221122020212 is 21202022112201.

It is a happy number.

10221122020212 is a `hidden beast` number, since 1 + 0 + 2 + 211 + 220 + 20 + 212 = 666.

10221122020212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9265412439396 + 955709580816 = 3043914^2 + 977604^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×10221122020212² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141960028023 + ... + 141960028094.

It is an arithmetic number, because the mean of its divisors is an integer number (1435373617041).

Almost surely, 2^{10221122020212} is an apocalyptic number.

10221122020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221122020212 is an abundant number, since it is smaller than the sum of its proper divisors (15615603086526).

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

10221122020212 is a wasteful number, since it uses less digits than its factorization.

10221122020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283920056127 (or 283920056122 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10221122020212 its reverse (21202022112201), we get a palindrome (31423144132413).

The spelling of 10221122020212 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-two million, twenty thousand, two hundred twelve".