22120021202 has 4 divisors (see below), whose sum is σ = 33180031806. Its totient is φ = 11060010600.

The previous prime is 22120021199. The next prime is 22120021243. The reversal of 22120021202 is 20212002122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17910736561 + 4209284641 = 133831^2 + 64879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530005299 + ... + 5530005302.

Almost surely, 2^22120021202 is an apocalyptic number.

22120021202 is a deficient number, since it is larger than the sum of its proper divisors (11060010604).

22120021202 is a wasteful number, since it uses less digits than its factorization.

22120021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11060010603.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22120021202 its reverse (20212002122), we get a palindrome (42332023324).

It can be divided in two parts, 2212002120 and 2, that added together give a palindrome (2212002122).

The spelling of 22120021202 in words is "twenty-two billion, one hundred twenty million, twenty-one thousand, two hundred two".