2132310222421 has 2 divisors, whose sum is σ = 2132310222422. Its totient is φ = 2132310222420.

The previous prime is 2132310222373. The next prime is 2132310222433. The reversal of 2132310222421 is 1242220132312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1467221041521 + 665089180900 = 1211289^2 + 815530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132310222421 is a prime.

It is a super-2 number, since 2×2132310222421² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132310222521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066155111210 + 1066155111211.

It is an arithmetic number, because the mean of its divisors is an integer number (1066155111211).

Almost surely, 2^{2132310222421} is an apocalyptic number.

It is an amenable number.

2132310222421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132310222421 is an equidigital number, since it uses as much as digits as its factorization.

2132310222421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2132310222421 its reverse (1242220132312), we get a palindrome (3374530354733).

The spelling of 2132310222421 in words is "two trillion, one hundred thirty-two billion, three hundred ten million, two hundred twenty-two thousand, four hundred twenty-one".