1422061121531 has 2 divisors, whose sum is σ = 1422061121532. Its totient is φ = 1422061121530.

The previous prime is 1422061121479. The next prime is 1422061121563. The reversal of 1422061121531 is 1351211602241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422061121531 is a prime.

It is a super-2 number, since 2×1422061121531² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1422061121494 and 1422061121503.

It is not a weakly prime, because it can be changed into another prime (1422061121731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711030560765 + 711030560766.

It is an arithmetic number, because the mean of its divisors is an integer number (711030560766).

Almost surely, 2^{1422061121531} is an apocalyptic number.

1422061121531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422061121531 is an equidigital number, since it uses as much as digits as its factorization.

1422061121531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 1422061121531 its reverse (1351211602241), we get a palindrome (2773272723772).

The spelling of 1422061121531 in words is "one trillion, four hundred twenty-two billion, sixty-one million, one hundred twenty-one thousand, five hundred thirty-one".