22120021035 has 48 divisors (see below), whose sum is σ = 45723884544. Its totient is φ = 9672353856.

The previous prime is 22120021031. The next prime is 22120021037. The reversal of 22120021035 is 53012002122.

22120021035 is a `hidden beast` number, since 221 + 200 + 210 + 35 = 666.

It is not a de Polignac number, because 22120021035 - 2² = 22120021031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22120020999 and 22120021017.

It is not an unprimeable number, because it can be changed into a prime (22120021031) 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, 1519327 + ... + 1533816.

It is an arithmetic number, because the mean of its divisors is an integer number (952580928).

Almost surely, 2^22120021035 is an apocalyptic number.

22120021035 is an abundant number, since it is smaller than the sum of its proper divisors (23603863509).

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

22120021035 is a wasteful number, since it uses less digits than its factorization.

22120021035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053184 (or 3053181 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 22120021035 its reverse (53012002122), we get a palindrome (75132023157).

The spelling of 22120021035 in words is "twenty-two billion, one hundred twenty million, twenty-one thousand, thirty-five".