22142120021029 has 2 divisors, whose sum is σ = 22142120021030. Its totient is φ = 22142120021028.

The previous prime is 22142120020987. The next prime is 22142120021111. The reversal of 22142120021029 is 92012002124122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22130184458529 + 11935562500 = 4704273^2 + 109250^2 .

It is a cyclic number.

It is not a de Polignac number, because 22142120021029 - 2⁷ = 22142120020901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22142120020988 and 22142120021006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22142120021129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071060010514 + 11071060010515.

It is an arithmetic number, because the mean of its divisors is an integer number (11071060010515).

Almost surely, 2^{22142120021029} is an apocalyptic number.

It is an amenable number.

22142120021029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142120021029 is an equidigital number, since it uses as much as digits as its factorization.

22142120021029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 22142120021029 in words is "twenty-two trillion, one hundred forty-two billion, one hundred twenty million, twenty-one thousand, twenty-nine".