2122212021407 has 2 divisors, whose sum is σ = 2122212021408. Its totient is φ = 2122212021406.

The previous prime is 2122212021373. The next prime is 2122212021421. The reversal of 2122212021407 is 7041202122212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122212021407 - 2¹² = 2122212017311 is a prime.

It is a super-4 number, since 4×2122212021407⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122212021467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061106010703 + 1061106010704.

It is an arithmetic number, because the mean of its divisors is an integer number (1061106010704).

Almost surely, 2^{2122212021407} is an apocalyptic number.

2122212021407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122212021407 is an equidigital number, since it uses as much as digits as its factorization.

2122212021407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 2122212021407 its reverse (7041202122212), we get a palindrome (9163414143619).

The spelling of 2122212021407 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, twenty-one thousand, four hundred seven".