2031211222401 has 16 divisors (see below), whose sum is σ = 2710091962368. Its totient is φ = 1353235938000.

The previous prime is 2031211222351. The next prime is 2031211222421. The reversal of 2031211222401 is 1042221121302.

It is a happy number.

It is not a de Polignac number, because 2031211222401 - 2⁷ = 2031211222273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031211222421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30936930 + ... + 31002516.

It is an arithmetic number, because the mean of its divisors is an integer number (169380747648).

Almost surely, 2^{2031211222401} is an apocalyptic number.

It is an amenable number.

2031211222401 is a deficient number, since it is larger than the sum of its proper divisors (678880739967).

2031211222401 is a wasteful number, since it uses less digits than its factorization.

2031211222401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72332.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2031211222401 its reverse (1042221121302), we get a palindrome (3073432343703).

The spelling of 2031211222401 in words is "two trillion, thirty-one billion, two hundred eleven million, two hundred twenty-two thousand, four hundred one".