102221012001211 has 4 divisors (see below), whose sum is σ = 102222278745424. Its totient is φ = 102219745257000.

The previous prime is 102221012001169. The next prime is 102221012001233. The reversal of 102221012001211 is 112100210122201.

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 102221012001211 - 2¹⁷ = 102221011870139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221012001281) 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, 633251055 + ... + 633412456.

It is an arithmetic number, because the mean of its divisors is an integer number (25555569686356).

Almost surely, 2^{102221012001211} is an apocalyptic number.

102221012001211 is a deficient number, since it is larger than the sum of its proper divisors (1266744213).

102221012001211 is an equidigital number, since it uses as much as digits as its factorization.

102221012001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266744212.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102221012001211 its reverse (112100210122201), we get a palindrome (214321222123412).

The spelling of 102221012001211 in words is "one hundred two trillion, two hundred twenty-one billion, twelve million, one thousand, two hundred eleven".