22001111121002 has 8 divisors (see below), whose sum is σ = 35540256426276. Its totient is φ = 10154358978912.

The previous prime is 22001111120909. The next prime is 22001111121013. The reversal of 22001111121002 is 20012111110022.

It can be written as a sum of positive squares in 2 ways, for example, as 21908025721201 + 93085399801 = 4680601^2 + 305099^2 .

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

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, 423098290763 + ... + 423098290814.

Almost surely, 2^{22001111121002} is an apocalyptic number.

22001111121002 is a deficient number, since it is larger than the sum of its proper divisors (13539145305274).

22001111121002 is a wasteful number, since it uses less digits than its factorization.

22001111121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846196581592.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22001111121002 its reverse (20012111110022), we get a palindrome (42013222231024).

The spelling of 22001111121002 in words is "twenty-two trillion, one billion, one hundred eleven million, one hundred twenty-one thousand, two".