101213222989 has 4 divisors (see below), whose sum is σ = 101259674560. Its totient is φ = 101166771420.

The previous prime is 101213222939. The next prime is 101213222993. The reversal of 101213222989 is 989222312101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101213222989 - 2⁹ = 101213222477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213222939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23222517 + ... + 23226874.

It is an arithmetic number, because the mean of its divisors is an integer number (25314918640).

Almost surely, 2^101213222989 is an apocalyptic number.

It is an amenable number.

101213222989 is a deficient number, since it is larger than the sum of its proper divisors (46451571).

101213222989 is an equidigital number, since it uses as much as digits as its factorization.

101213222989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46451570.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 101213222989 in words is "one hundred one billion, two hundred thirteen million, two hundred twenty-two thousand, nine hundred eighty-nine".