22125151031381 has 2 divisors, whose sum is σ = 22125151031382. Its totient is φ = 22125151031380.

The previous prime is 22125151031371. The next prime is 22125151031407. The reversal of 22125151031381 is 18313015152122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21321851118481 + 803299912900 = 4617559^2 + 896270^2 .

It is a cyclic number.

It is not a de Polignac number, because 22125151031381 - 2⁶ = 22125151031317 is a prime.

It is a super-2 number, since 2×22125151031381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22125151031371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11062575515690 + 11062575515691.

It is an arithmetic number, because the mean of its divisors is an integer number (11062575515691).

Almost surely, 2^{22125151031381} is an apocalyptic number.

It is an amenable number.

22125151031381 is a deficient number, since it is larger than the sum of its proper divisors (1).

22125151031381 is an equidigital number, since it uses as much as digits as its factorization.

22125151031381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 22125151031381 in words is "twenty-two trillion, one hundred twenty-five billion, one hundred fifty-one million, thirty-one thousand, three hundred eighty-one".