101225011 has 4 divisors (see below), whose sum is σ = 101315800. Its totient is φ = 101134224.

The previous prime is 101225009. The next prime is 101225017. The reversal of 101225011 is 110522101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110522101 = 41 ⋅2695661.

It is a cyclic number.

It is not a de Polignac number, because 101225011 - 2¹ = 101225009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101224982 and 101225000.

It is not an unprimeable number, because it can be changed into a prime (101225017) 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, 43701 + ... + 45958.

It is an arithmetic number, because the mean of its divisors is an integer number (25328950).

Almost surely, 2^101225011 is an apocalyptic number.

101225011 is a deficient number, since it is larger than the sum of its proper divisors (90789).

101225011 is an equidigital number, since it uses as much as digits as its factorization.

101225011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90788.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 101225011 is about 10061.0641087312. The cubic root of 101225011 is about 466.0465287218.

Adding to 101225011 its reverse (110522101), we get a palindrome (211747112).

The spelling of 101225011 in words is "one hundred one million, two hundred twenty-five thousand, eleven".