120102020211 has 4 divisors (see below), whose sum is σ = 160136026952. Its totient is φ = 80068013472.

The previous prime is 120102020131. The next prime is 120102020219. The reversal of 120102020211 is 112020201021.

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

It is not a de Polignac number, because 120102020211 - 2¹⁰ = 120102019187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120102020219) 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, 20017003366 + ... + 20017003371.

It is an arithmetic number, because the mean of its divisors is an integer number (40034006738).

Almost surely, 2^120102020211 is an apocalyptic number.

120102020211 is a deficient number, since it is larger than the sum of its proper divisors (40034006741).

120102020211 is an equidigital number, since it uses as much as digits as its factorization.

120102020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40034006740.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120102020211 its reverse (112020201021), we get a palindrome (232122221232).

The spelling of 120102020211 in words is "one hundred twenty billion, one hundred two million, twenty thousand, two hundred eleven".