101120312213 has 4 divisors (see below), whose sum is σ = 101148872748. Its totient is φ = 101091751680.

The previous prime is 101120312173. The next prime is 101120312221. The reversal of 101120312213 is 312213021101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312213021101 = 2437 ⋅128113673.

It can be written as a sum of positive squares in 2 ways, for example, as 21595184209 + 79525128004 = 146953^2 + 282002^2 .

It is a cyclic number.

It is not a de Polignac number, because 101120312213 - 2¹⁰ = 101120311189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101120312191 and 101120312200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120312233) 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, 14274956 + ... + 14282037.

It is an arithmetic number, because the mean of its divisors is an integer number (25287218187).

Almost surely, 2^101120312213 is an apocalyptic number.

It is an amenable number.

101120312213 is a deficient number, since it is larger than the sum of its proper divisors (28560535).

101120312213 is an equidigital number, since it uses as much as digits as its factorization.

101120312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28560534.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101120312213 its reverse (312213021101), we get a palindrome (413333333314).

The spelling of 101120312213 in words is "one hundred one billion, one hundred twenty million, three hundred twelve thousand, two hundred thirteen".