120011010101 has 4 divisors (see below), whose sum is σ = 120729639072. Its totient is φ = 119292381132.

The previous prime is 120011010071. The next prime is 120011010121. The reversal of 120011010101 is 101010110021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101010110021 = 139 ⋅726691439.

It is a cyclic number.

It is not a de Polignac number, because 120011010101 - 2⁶ = 120011010037 is a prime.

It is a super-4 number, since 4×120011010101⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011010121) 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, 359314235 + ... + 359314568.

It is an arithmetic number, because the mean of its divisors is an integer number (30182409768).

Almost surely, 2^120011010101 is an apocalyptic number.

It is an amenable number.

120011010101 is a deficient number, since it is larger than the sum of its proper divisors (718628971).

120011010101 is an equidigital number, since it uses as much as digits as its factorization.

120011010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718628970.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 120011010101 its reverse (101010110021), we get a palindrome (221021120122).

The spelling of 120011010101 in words is "one hundred twenty billion, eleven million, ten thousand, one hundred one".