2211212202001 has 64 divisors (see below), whose sum is σ = 2675939328000. Its totient is φ = 1804753440000.

The previous prime is 2211212201981. The next prime is 2211212202037. The reversal of 2211212202001 is 1002022121122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2211212202001 - 2¹⁵ = 2211212169233 is a prime.

It is a super-2 number, since 2×2211212202001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211212202401) 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 63 ways as a sum of consecutive naturals, for example, 68525211 + ... + 68557471.

It is an arithmetic number, because the mean of its divisors is an integer number (41811552000).

Almost surely, 2^{2211212202001} is an apocalyptic number.

It is an amenable number.

2211212202001 is a deficient number, since it is larger than the sum of its proper divisors (464727125999).

2211212202001 is a wasteful number, since it uses less digits than its factorization.

2211212202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32542.

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

Adding to 2211212202001 its reverse (1002022121122), we get a palindrome (3213234323123).

The spelling of 2211212202001 in words is "two trillion, two hundred eleven billion, two hundred twelve million, two hundred two thousand, one".