120210001011 has 12 divisors (see below), whose sum is σ = 173639673792. Its totient is φ = 80138613456.

The previous prime is 120210000913. The next prime is 120210001019. The reversal of 120210001011 is 110100012021.

It is a happy number.

It is not a de Polignac number, because 120210001011 - 2¹⁵ = 120209968243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120210000984 and 120210001002.

It is not an unprimeable number, because it can be changed into a prime (120210001019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 957205 + ... + 1075481.

It is an arithmetic number, because the mean of its divisors is an integer number (14469972816).

Almost surely, 2^120210001011 is an apocalyptic number.

120210001011 is a deficient number, since it is larger than the sum of its proper divisors (53429672781).

120210001011 is a wasteful number, since it uses less digits than its factorization.

120210001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231210 (or 231207 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120210001011 its reverse (110100012021), we get a palindrome (230310013032).

The spelling of 120210001011 in words is "one hundred twenty billion, two hundred ten million, one thousand, eleven".