120021010211 has 4 divisors (see below), whose sum is σ = 120021789624. Its totient is φ = 120020230800.

The previous prime is 120021010199. The next prime is 120021010267. The reversal of 120021010211 is 112010120021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 112010120021 = 47 ⋅2383194043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120021010211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120021010192 and 120021010201.

It is not an unprimeable number, because it can be changed into a prime (120021010271) 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, 72845 + ... + 495326.

It is an arithmetic number, because the mean of its divisors is an integer number (30005447406).

Almost surely, 2^120021010211 is an apocalyptic number.

120021010211 is a deficient number, since it is larger than the sum of its proper divisors (779413).

120021010211 is an equidigital number, since it uses as much as digits as its factorization.

120021010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779412.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120021010211 its reverse (112010120021), we get a palindrome (232031130232).

The spelling of 120021010211 in words is "one hundred twenty billion, twenty-one million, ten thousand, two hundred eleven".