120021211100211 has 4 divisors (see below), whose sum is σ = 160028281466952. Its totient is φ = 80014140733472.

The previous prime is 120021211100117. The next prime is 120021211100221. The reversal of 120021211100211 is 112001112120021.

It is a happy number.

120021211100211 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120021211100211 - 2¹⁰ = 120021211099187 is a prime.

It is a super-2 number, since 2×120021211100211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120021211100221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20003535183366 + ... + 20003535183371.

It is an arithmetic number, because the mean of its divisors is an integer number (40007070366738).

Almost surely, 2^{120021211100211} is an apocalyptic number.

120021211100211 is a deficient number, since it is larger than the sum of its proper divisors (40007070366741).

120021211100211 is an equidigital number, since it uses as much as digits as its factorization.

120021211100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40007070366740.

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

Adding to 120021211100211 its reverse (112001112120021), we get a palindrome (232022323220232).

The spelling of 120021211100211 in words is "one hundred twenty trillion, twenty-one billion, two hundred eleven million, one hundred thousand, two hundred eleven".