22101101993 has 2 divisors, whose sum is σ = 22101101994. Its totient is φ = 22101101992.

The previous prime is 22101101989. The next prime is 22101102053. The reversal of 22101101993 is 39910110122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14358509929 + 7742592064 = 119827^2 + 87992^2 .

It is a cyclic number.

It is not a de Polignac number, because 22101101993 - 2² = 22101101989 is a prime.

It is not a weakly prime, because it can be changed into another prime (22101101593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050550996 + 11050550997.

It is an arithmetic number, because the mean of its divisors is an integer number (11050550997).

Almost surely, 2^22101101993 is an apocalyptic number.

It is an amenable number.

22101101993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101101993 is an equidigital number, since it uses as much as digits as its factorization.

22101101993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 22101101993 in words is "twenty-two billion, one hundred one million, one hundred one thousand, nine hundred ninety-three".