101213010101 has 4 divisors (see below), whose sum is σ = 115672011552. Its totient is φ = 86754008652.

The previous prime is 101213010091. The next prime is 101213010121. The reversal of 101213010101 is 101010312101.

It is a happy number.

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 101213010101 - 2⁶ = 101213010037 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 (101213010121) 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, 7229500715 + ... + 7229500728.

It is an arithmetic number, because the mean of its divisors is an integer number (28918002888).

Almost surely, 2^101213010101 is an apocalyptic number.

It is an amenable number.

101213010101 is a deficient number, since it is larger than the sum of its proper divisors (14459001451).

101213010101 is an equidigital number, since it uses as much as digits as its factorization.

101213010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14459001450.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 101213010101 its reverse (101010312101), we get a palindrome (202223322202).

The spelling of 101213010101 in words is "one hundred one billion, two hundred thirteen million, ten thousand, one hundred one".