120011202101011 has 24 divisors (see below), whose sum is σ = 131801712897024. Its totient is φ = 109204020263520.

The previous prime is 120011202100997. The next prime is 120011202101051. The reversal of 120011202101011 is 110101202110021.

It is a happy number.

It is not a de Polignac number, because 120011202101011 - 2¹³ = 120011202092819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120011202100982 and 120011202101000.

It is not an unprimeable number, because it can be changed into a prime (120011202101051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85540990 + ... + 86932636.

It is an arithmetic number, because the mean of its divisors is an integer number (5491738037376).

Almost surely, 2^{120011202101011} is an apocalyptic number.

120011202101011 is a deficient number, since it is larger than the sum of its proper divisors (11790510796013).

120011202101011 is a wasteful number, since it uses less digits than its factorization.

120011202101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398931 (or 1398918 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120011202101011 its reverse (110101202110021), we get a palindrome (230112404211032).

The spelling of 120011202101011 in words is "one hundred twenty trillion, eleven billion, two hundred two million, one hundred one thousand, eleven".