120021103011 has 16 divisors (see below), whose sum is σ = 169499149344. Its totient is φ = 75281762304.

The previous prime is 120021103009. The next prime is 120021103019. The reversal of 120021103011 is 110301120021.

It is not a de Polignac number, because 120021103011 - 2¹ = 120021103009 is a prime.

It is a super-2 number, since 2×120021103011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120021103019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247866 + ... + 549071.

It is an arithmetic number, because the mean of its divisors is an integer number (10593696834).

Almost surely, 2^120021103011 is an apocalyptic number.

120021103011 is a deficient number, since it is larger than the sum of its proper divisors (49478046333).

120021103011 is a wasteful number, since it uses less digits than its factorization.

120021103011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799910.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 120021103011 its reverse (110301120021), we get a palindrome (230322223032).

The spelling of 120021103011 in words is "one hundred twenty billion, twenty-one million, one hundred three thousand, eleven".