120200021111211 has 16 divisors (see below), whose sum is σ = 161465874624000. Its totient is φ = 79535726601408.

The previous prime is 120200021111171. The next prime is 120200021111237. The reversal of 120200021111211 is 112111120002021.

It is a happy number.

It is not a de Polignac number, because 120200021111211 - 2⁷ = 120200021111083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120200021111411) 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, 245892831 + ... + 246381176.

It is an arithmetic number, because the mean of its divisors is an integer number (10091617164000).

Almost surely, 2^{120200021111211} is an apocalyptic number.

120200021111211 is a deficient number, since it is larger than the sum of its proper divisors (41265853512789).

120200021111211 is a wasteful number, since it uses less digits than its factorization.

120200021111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492274618.

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

Adding to 120200021111211 its reverse (112111120002021), we get a palindrome (232311141113232).

The spelling of 120200021111211 in words is "one hundred twenty trillion, two hundred billion, twenty-one million, one hundred eleven thousand, two hundred eleven".