102201212211011 has 4 divisors (see below), whose sum is σ = 102211534533024. Its totient is φ = 102190889889000.

The previous prime is 102201212210983. The next prime is 102201212211097. The reversal of 102201212211011 is 110112212102201.

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 102201212211011 - 2¹⁸ = 102201211948867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102201214211011) 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, 5161146155 + ... + 5161165956.

It is an arithmetic number, because the mean of its divisors is an integer number (25552883633256).

Almost surely, 2^{102201212211011} is an apocalyptic number.

102201212211011 is a deficient number, since it is larger than the sum of its proper divisors (10322322013).

102201212211011 is an equidigital number, since it uses as much as digits as its factorization.

102201212211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322322012.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102201212211011 its reverse (110112212102201), we get a palindrome (212313424313212).

It can be divided in two parts, 102201 and 212211011, that added together give a palindrome (212313212).

The spelling of 102201212211011 in words is "one hundred two trillion, two hundred one billion, two hundred twelve million, two hundred eleven thousand, eleven".