22001012201122 has 4 divisors (see below), whose sum is σ = 33001518301686. Its totient is φ = 11000506100560.

The previous prime is 22001012201087. The next prime is 22001012201131. The reversal of 22001012201122 is 22110221010022.

It is a happy number.

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., 20345160534721 + 1655851666401 = 4510561^2 + 1286799^2 .

It is a super-2 number, since 2×22001012201122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22001012201096 and 22001012201105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500253050279 + ... + 5500253050282.

Almost surely, 2^{22001012201122} is an apocalyptic number.

22001012201122 is a deficient number, since it is larger than the sum of its proper divisors (11000506100564).

22001012201122 is a wasteful number, since it uses less digits than its factorization.

22001012201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000506100563.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22001012201122 its reverse (22110221010022), we get a palindrome (44111233211144).

The spelling of 22001012201122 in words is "twenty-two trillion, one billion, twelve million, two hundred one thousand, one hundred twenty-two".