2031211222422 has 32 divisors (see below), whose sum is σ = 4172990324832. Its totient is φ = 658649205504.

The previous prime is 2031211222421. The next prime is 2031211222423. The reversal of 2031211222422 is 2242221121302.

It is an interprime number because it is at equal distance from previous prime (2031211222421) and next prime (2031211222423).

It is a junction number, because it is equal to n+sod(n) for n = 2031211222392 and 2031211222401.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358048 + ... + 2047100.

It is an arithmetic number, because the mean of its divisors is an integer number (130405947651).

Almost surely, 2^{2031211222422} is an apocalyptic number.

2031211222422 is an abundant number, since it is smaller than the sum of its proper divisors (2141779102410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031211222422 is a wasteful number, since it uses less digits than its factorization.

2031211222422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694512.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2031211222422 its reverse (2242221121302), we get a palindrome (4273432343724).

The spelling of 2031211222422 in words is "two trillion, thirty-one billion, two hundred eleven million, two hundred twenty-two thousand, four hundred twenty-two".