120011111001010 has 16 divisors (see below), whose sum is σ = 216035675254872. Its totient is φ = 48000960966400.

The previous prime is 120011111000969. The next prime is 120011111001017. The reversal of 120011111001010 is 10100111110021.

It can be written as a sum of positive squares in 4 ways, for example, as 105282026054209 + 14729084946801 = 10260703^2 + 3837849^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (120011111001017) 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, 435284551 + ... + 435560170.

Almost surely, 2^{120011111001010} is an apocalyptic number.

120011111001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120011111001010 is a deficient number, since it is larger than the sum of its proper divisors (96024564253862).

120011111001010 is a wasteful number, since it uses less digits than its factorization.

120011111001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870858509.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 120011111001010 its reverse (10100111110021), we get a palindrome (130111222111031).

The spelling of 120011111001010 in words is "one hundred twenty trillion, eleven billion, one hundred eleven million, one thousand, ten".