102012021222209 has 16 divisors (see below), whose sum is σ = 121318423818240. Its totient is φ = 83957863726800.

The previous prime is 102012021222191. The next prime is 102012021222211. The reversal of 102012021222209 is 902222120210201.

It is not a de Polignac number, because 102012021222209 - 2¹⁶ = 102012021156673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102012021225209) 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, 2872104017 + ... + 2872139534.

It is an arithmetic number, because the mean of its divisors is an integer number (7582401488640).

Almost surely, 2^{102012021222209} is an apocalyptic number.

It is an amenable number.

102012021222209 is a deficient number, since it is larger than the sum of its proper divisors (19306402596031).

102012021222209 is an equidigital number, since it uses as much as digits as its factorization.

102012021222209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744243660.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 102012021222209 in words is "one hundred two trillion, twelve billion, twenty-one million, two hundred twenty-two thousand, two hundred nine".