120121202011 has 8 divisors (see below), whose sum is σ = 125539422624. Its totient is φ = 114719278080.

The previous prime is 120121201943. The next prime is 120121202023. The reversal of 120121202011 is 110202121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120121202011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120121201982 and 120121202000.

It is not an unprimeable number, because it can be changed into a prime (120121202911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4059096 + ... + 4088581.

It is an arithmetic number, because the mean of its divisors is an integer number (15692427828).

Almost surely, 2^120121202011 is an apocalyptic number.

120121202011 is a deficient number, since it is larger than the sum of its proper divisors (5418220613).

120121202011 is an equidigital number, since it uses as much as digits as its factorization.

120121202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8148341.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120121202011 its reverse (110202121021), we get a palindrome (230323323032).

The spelling of 120121202011 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred two thousand, eleven".