22201020122 has 8 divisors (see below), whose sum is σ = 34449858900. Its totient is φ = 10717733824.

The previous prime is 22201020031. The next prime is 22201020131. The reversal of 22201020122 is 22102010222.

It can be written as a sum of positive squares in 2 ways, for example, as 19928686561 + 2272333561 = 141169^2 + 47669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22201020097 and 22201020106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191388047 + ... + 191388162.

Almost surely, 2^22201020122 is an apocalyptic number.

22201020122 is a deficient number, since it is larger than the sum of its proper divisors (12248838778).

22201020122 is a wasteful number, since it uses less digits than its factorization.

22201020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382776240.

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

Adding to 22201020122 its reverse (22102010222), we get a palindrome (44303030344).

The spelling of 22201020122 in words is "twenty-two billion, two hundred one million, twenty thousand, one hundred twenty-two".