102020001211 has 6 divisors (see below), whose sum is σ = 105417130236. Its totient is φ = 98729032500.

The previous prime is 102020001169. The next prime is 102020001227. The reversal of 102020001211 is 112100020201.

It is not a de Polignac number, because 102020001211 - 2²¹ = 102017904059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53079165 + ... + 53081086.

It is an arithmetic number, because the mean of its divisors is an integer number (17569521706).

Almost surely, 2^102020001211 is an apocalyptic number.

102020001211 is a deficient number, since it is larger than the sum of its proper divisors (3397129025).

102020001211 is an equidigital number, since it uses as much as digits as its factorization.

102020001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106160313 (or 106160282 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102020001211 its reverse (112100020201), we get a palindrome (214120021412).

The spelling of 102020001211 in words is "one hundred two billion, twenty million, one thousand, two hundred eleven".