102020122020211 has 4 divisors (see below), whose sum is σ = 102033113257152. Its totient is φ = 102007130783272.

The previous prime is 102020122020203. The next prime is 102020122020241. The reversal of 102020122020211 is 112020221020201.

It is a happy number.

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 102020122020211 - 2³ = 102020122020203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020122020241) 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, 6495606691 + ... + 6495622396.

It is an arithmetic number, because the mean of its divisors is an integer number (25508278314288).

Almost surely, 2^{102020122020211} is an apocalyptic number.

102020122020211 is a deficient number, since it is larger than the sum of its proper divisors (12991236941).

102020122020211 is an equidigital number, since it uses as much as digits as its factorization.

102020122020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12991236940.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102020122020211 its reverse (112020221020201), we get a palindrome (214040343040412).

The spelling of 102020122020211 in words is "one hundred two trillion, twenty billion, one hundred twenty-two million, twenty thousand, two hundred eleven".