2211121202001 has 8 divisors (see below), whose sum is σ = 2948196383424. Its totient is φ = 1474063410960.

The previous prime is 2211121201987. The next prime is 2211121202009. The reversal of 2211121202001 is 1002021211122.

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

It is not a de Polignac number, because 2211121202001 - 2²⁵ = 2211087647569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211121202009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4047970 + ... + 4561611.

It is an arithmetic number, because the mean of its divisors is an integer number (368524547928).

Almost surely, 2^{2211121202001} is an apocalyptic number.

It is an amenable number.

2211121202001 is a deficient number, since it is larger than the sum of its proper divisors (737075181423).

2211121202001 is an equidigital number, since it uses as much as digits as its factorization.

2211121202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8695191.

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

Adding to 2211121202001 its reverse (1002021211122), we get a palindrome (3213142413123).

The spelling of 2211121202001 in words is "two trillion, two hundred eleven billion, one hundred twenty-one million, two hundred two thousand, one".