101212220120993 has 2 divisors, whose sum is σ = 101212220120994. Its totient is φ = 101212220120992.

The previous prime is 101212220120983. The next prime is 101212220121109. The reversal of 101212220120993 is 399021022212101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101211809126464 + 410994529 = 10060408^2 + 20273^2 .

It is a cyclic number.

It is not a de Polignac number, because 101212220120993 - 2²⁴ = 101212203343777 is a prime.

It is not a weakly prime, because it can be changed into another prime (101212220120903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606110060496 + 50606110060497.

It is an arithmetic number, because the mean of its divisors is an integer number (50606110060497).

Almost surely, 2^{101212220120993} is an apocalyptic number.

It is an amenable number.

101212220120993 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212220120993 is an equidigital number, since it uses as much as digits as its factorization.

101212220120993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 101212220120993 in words is "one hundred one trillion, two hundred twelve billion, two hundred twenty million, one hundred twenty thousand, nine hundred ninety-three".