2221301211001 has 4 divisors (see below), whose sum is σ = 2231828705104. Its totient is φ = 2210773716900.

The previous prime is 2221301210981. The next prime is 2221301211043. The reversal of 2221301211001 is 1001121031222.

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 2221301211001 - 2⁷ = 2221301210873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221301271001) 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, 5263746735 + ... + 5263747156.

It is an arithmetic number, because the mean of its divisors is an integer number (557957176276).

Almost surely, 2^{2221301211001} is an apocalyptic number.

It is an amenable number.

2221301211001 is a deficient number, since it is larger than the sum of its proper divisors (10527494103).

2221301211001 is a wasteful number, since it uses less digits than its factorization.

2221301211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10527494102.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2221301211001 its reverse (1001121031222), we get a palindrome (3222422242223).

The spelling of 2221301211001 in words is "two trillion, two hundred twenty-one billion, three hundred one million, two hundred eleven thousand, one".