120021211010211 has 16 divisors (see below), whose sum is σ = 184944402201600. Its totient is φ = 67812947471808.

The previous prime is 120021211010167. The next prime is 120021211010221. The reversal of 120021211010211 is 112010112120021.

It is a happy number.

It is not a de Polignac number, because 120021211010211 - 2⁹ = 120021211009699 is a prime.

It is a super-2 number, since 2×120021211010211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120021211010221) 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, 32108401291 + ... + 32108405028.

It is an arithmetic number, because the mean of its divisors is an integer number (11559025137600).

Almost surely, 2^{120021211010211} is an apocalyptic number.

120021211010211 is a deficient number, since it is larger than the sum of its proper divisors (64923191191389).

120021211010211 is an equidigital number, since it uses as much as digits as its factorization.

120021211010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64216806418.

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

Adding to 120021211010211 its reverse (112010112120021), we get a palindrome (232031323130232).

The spelling of 120021211010211 in words is "one hundred twenty trillion, twenty-one billion, two hundred eleven million, ten thousand, two hundred eleven".