21030032011122 has 16 divisors (see below), whose sum is σ = 46733404469280. Its totient is φ = 7010010670356.

The previous prime is 21030032011117. The next prime is 21030032011133. The reversal of 21030032011122 is 22111023003012.

21030032011122 is a `hidden beast` number, since 2 + 10 + 300 + 320 + 1 + 11 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 21030032011095 and 21030032011104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194722518568 + ... + 194722518675.

It is an arithmetic number, because the mean of its divisors is an integer number (2920837779330).

Almost surely, 2^{21030032011122} is an apocalyptic number.

21030032011122 is an abundant number, since it is smaller than the sum of its proper divisors (25703372458158).

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

21030032011122 is a wasteful number, since it uses less digits than its factorization.

21030032011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389445037254 (or 389445037248 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21030032011122 its reverse (22111023003012), we get a palindrome (43141055014134).

The spelling of 21030032011122 in words is "twenty-one trillion, thirty billion, thirty-two million, eleven thousand, one hundred twenty-two".