11021002001122 has 4 divisors (see below), whose sum is σ = 16531503001686. Its totient is φ = 5510501000560.

The previous prime is 11021002001111. The next prime is 11021002001183. The reversal of 11021002001122 is 22110020012011.

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., 8115610161681 + 2905391839441 = 2848791^2 + 1704521^2 .

It is a super-3 number, since 3×11021002001122³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755250500279 + ... + 2755250500282.

Almost surely, 2^{11021002001122} is an apocalyptic number.

11021002001122 is a deficient number, since it is larger than the sum of its proper divisors (5510501000564).

11021002001122 is an equidigital number, since it uses as much as digits as its factorization.

11021002001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510501000563.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11021002001122 its reverse (22110020012011), we get a palindrome (33131022013133).

The spelling of 11021002001122 in words is "eleven trillion, twenty-one billion, two million, one thousand, one hundred twenty-two".