2221210122001 has 8 divisors (see below), whose sum is σ = 2393734775040. Its totient is φ = 2048922945552.

The previous prime is 2221210121993. The next prime is 2221210122049. The reversal of 2221210122001 is 1002210121222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2221210122001 - 2³ = 2221210121993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221210122401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59349715 + ... + 59387128.

It is an arithmetic number, because the mean of its divisors is an integer number (299216846880).

Almost surely, 2^{2221210122001} is an apocalyptic number.

It is an amenable number.

2221210122001 is a deficient number, since it is larger than the sum of its proper divisors (172524653039).

2221210122001 is a wasteful number, since it uses less digits than its factorization.

2221210122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118738295.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221210122001 its reverse (1002210121222), we get a palindrome (3223420243223).

The spelling of 2221210122001 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, one".