102202021212211 has 4 divisors (see below), whose sum is σ = 102202075684800. Its totient is φ = 102201966739624.

The previous prime is 102202021212191. The next prime is 102202021212217. The reversal of 102202021212211 is 112212120202201.

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 102202021212211 - 2¹⁵ = 102202021179443 is a prime.

It is a super-2 number, since 2×102202021212211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102202021212217) 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, 24317731 + ... + 28209148.

It is an arithmetic number, because the mean of its divisors is an integer number (25550518921200).

Almost surely, 2^{102202021212211} is an apocalyptic number.

102202021212211 is a deficient number, since it is larger than the sum of its proper divisors (54472589).

102202021212211 is an equidigital number, since it uses as much as digits as its factorization.

102202021212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54472588.

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

Adding to 102202021212211 its reverse (112212120202201), we get a palindrome (214414141414412).

The spelling of 102202021212211 in words is "one hundred two trillion, two hundred two billion, twenty-one million, two hundred twelve thousand, two hundred eleven".