102202021221211 has 32 divisors (see below), whose sum is σ = 105192090685440. Its totient is φ = 99248583684096.

The previous prime is 102202021221151. The next prime is 102202021221221. The reversal of 102202021221211 is 112122120202201.

It is a cyclic number.

It is not a de Polignac number, because 102202021221211 - 2³³ = 102193431286619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102202021221221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14208535431 + ... + 14208542623.

It is an arithmetic number, because the mean of its divisors is an integer number (3287252833920).

Almost surely, 2^{102202021221211} is an apocalyptic number.

102202021221211 is a deficient number, since it is larger than the sum of its proper divisors (2990069464229).

102202021221211 is a wasteful number, since it uses less digits than its factorization.

102202021221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102202021221211 its reverse (112122120202201), we get a palindrome (214324141423412).

The spelling of 102202021221211 in words is "one hundred two trillion, two hundred two billion, twenty-one million, two hundred twenty-one thousand, two hundred eleven".