20112022121293 has 2 divisors, whose sum is σ = 20112022121294. Its totient is φ = 20112022121292.

The previous prime is 20112022121287. The next prime is 20112022121333. The reversal of 20112022121293 is 39212122021102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17105064973929 + 3006957147364 = 4135827^2 + 1734058^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112022121293 - 2¹³ = 20112022113101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112022121693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056011060646 + 10056011060647.

It is an arithmetic number, because the mean of its divisors is an integer number (10056011060647).

Almost surely, 2^{20112022121293} is an apocalyptic number.

It is an amenable number.

20112022121293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112022121293 is an equidigital number, since it uses as much as digits as its factorization.

20112022121293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 20112022121293 its reverse (39212122021102), we get a palindrome (59324144142395).

The spelling of 20112022121293 in words is "twenty trillion, one hundred twelve billion, twenty-two million, one hundred twenty-one thousand, two hundred ninety-three".