120355512211 has 16 divisors (see below), whose sum is σ = 137578798080. Its totient is φ = 104219019520.

The previous prime is 120355512143. The next prime is 120355512223. The reversal of 120355512211 is 112215553021.

It is a happy number.

It is not a de Polignac number, because 120355512211 - 2⁷ = 120355512083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120355512211.

It is not an unprimeable number, because it can be changed into a prime (120355512911) 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, 934750 + ... + 1055683.

It is an arithmetic number, because the mean of its divisors is an integer number (8598674880).

Almost surely, 2^120355512211 is an apocalyptic number.

120355512211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120355512211 is a deficient number, since it is larger than the sum of its proper divisors (17223285869).

120355512211 is a wasteful number, since it uses less digits than its factorization.

120355512211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990706.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 120355512211 in words is "one hundred twenty billion, three hundred fifty-five million, five hundred twelve thousand, two hundred eleven".