120101220011 has 4 divisors (see below), whose sum is σ = 120710871072. Its totient is φ = 119491568952.

The previous prime is 120101219957. The next prime is 120101220061. The reversal of 120101220011 is 110022101021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110022101021 = 7 ⋅15717443003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120101220011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101219974 and 120101220001.

It is not an unprimeable number, because it can be changed into a prime (120101220061) 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, 304825235 + ... + 304825628.

It is an arithmetic number, because the mean of its divisors is an integer number (30177717768).

Almost surely, 2^120101220011 is an apocalyptic number.

120101220011 is a deficient number, since it is larger than the sum of its proper divisors (609651061).

120101220011 is an equidigital number, since it uses as much as digits as its factorization.

120101220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609651060.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120101220011 its reverse (110022101021), we get a palindrome (230123321032).

The spelling of 120101220011 in words is "one hundred twenty billion, one hundred one million, two hundred twenty thousand, eleven".