11122122002001 has 4 divisors (see below), whose sum is σ = 14829496002672. Its totient is φ = 7414748001332.

The previous prime is 11122122001993. The next prime is 11122122002041. The reversal of 11122122002001 is 10020022122111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11122122002001 - 2³ = 11122122001993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11122122002041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853687000331 + ... + 1853687000336.

It is an arithmetic number, because the mean of its divisors is an integer number (3707374000668).

Almost surely, 2^{11122122002001} is an apocalyptic number.

It is an amenable number.

11122122002001 is a deficient number, since it is larger than the sum of its proper divisors (3707374000671).

11122122002001 is an equidigital number, since it uses as much as digits as its factorization.

11122122002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707374000670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11122122002001 its reverse (10020022122111), we get a palindrome (21142144124112).

The spelling of 11122122002001 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty-two million, two thousand, one".