120021112100211 has 16 divisors (see below), whose sum is σ = 183569199609600. Its totient is φ = 68328535403808.

The previous prime is 120021112100167. The next prime is 120021112100251. The reversal of 120021112100211 is 112001211120021.

It is a happy number.

It is not a de Polignac number, because 120021112100211 - 2¹³ = 120021112092019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120021112100251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10623211921 + ... + 10623223218.

It is an arithmetic number, because the mean of its divisors is an integer number (11473074975600).

Almost surely, 2^{120021112100211} is an apocalyptic number.

120021112100211 is a deficient number, since it is larger than the sum of its proper divisors (63548087509389).

120021112100211 is a wasteful number, since it uses less digits than its factorization.

120021112100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21246435418.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120021112100211 its reverse (112001211120021), we get a palindrome (232022323220232).

The spelling of 120021112100211 in words is "one hundred twenty trillion, twenty-one billion, one hundred twelve million, one hundred thousand, two hundred eleven".