22201212020122 has 8 divisors (see below), whose sum is σ = 33315804521172. Its totient is φ = 11095943846400.

The previous prime is 22201212020101. The next prime is 22201212020147. The reversal of 22201212020122 is 22102021210222.

It can be written as a sum of positive squares in 2 ways, for example, as 18578505057841 + 3622706962281 = 4310279^2 + 1903341^2 .

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

It is a super-2 number, since 2×22201212020122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22201212020122.

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, 2331075879 + ... + 2331085402.

Almost surely, 2^{22201212020122} is an apocalyptic number.

22201212020122 is a deficient number, since it is larger than the sum of its proper divisors (11114592501050).

22201212020122 is a wasteful number, since it uses less digits than its factorization.

22201212020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662163664.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22201212020122 its reverse (22102021210222), we get a palindrome (44303233230344).

The spelling of 22201212020122 in words is "twenty-two trillion, two hundred one billion, two hundred twelve million, twenty thousand, one hundred twenty-two".