102201021111211 has 4 divisors (see below), whose sum is σ = 111492023030424. Its totient is φ = 92910019192000.

The previous prime is 102201021111197. The next prime is 102201021111317. The reversal of 102201021111211 is 112111120102201.

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 102201021111211 - 2⁵ = 102201021111179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102201021118211) 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, 4645500959590 + ... + 4645500959611.

It is an arithmetic number, because the mean of its divisors is an integer number (27873005757606).

Almost surely, 2^{102201021111211} is an apocalyptic number.

102201021111211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102201021111211 is a deficient number, since it is larger than the sum of its proper divisors (9291001919213).

102201021111211 is an equidigital number, since it uses as much as digits as its factorization.

102201021111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291001919212.

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

Adding to 102201021111211 its reverse (112111120102201), we get a palindrome (214312141213412).

The spelling of 102201021111211 in words is "one hundred two trillion, two hundred one billion, twenty-one million, one hundred eleven thousand, two hundred eleven".