22000121112122 has 4 divisors (see below), whose sum is σ = 33000181668186. Its totient is φ = 11000060556060.

The previous prime is 22000121112103. The next prime is 22000121112161. The reversal of 22000121112122 is 22121112100022.

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., 13975926156721 + 8024194955401 = 3738439^2 + 2832701^2 .

It is a super-2 number, since 2×22000121112122² (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 22000121112122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500030278029 + ... + 5500030278032.

Almost surely, 2^{22000121112122} is an apocalyptic number.

22000121112122 is a deficient number, since it is larger than the sum of its proper divisors (11000060556064).

22000121112122 is a wasteful number, since it uses less digits than its factorization.

22000121112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000060556063.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22000121112122 its reverse (22121112100022), we get a palindrome (44121233212144).

The spelling of 22000121112122 in words is "twenty-two trillion, one hundred twenty-one million, one hundred twelve thousand, one hundred twenty-two".