102121200011211 has 8 divisors (see below), whose sum is σ = 136319377075200. Its totient is φ = 68001911477352.

The previous prime is 102121200011183. The next prime is 102121200011251. The reversal of 102121200011211 is 112110002121201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102121200011211 - 2¹⁵ = 102121199978443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102121200011251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19722129511 + ... + 19722134688.

It is an arithmetic number, because the mean of its divisors is an integer number (17039922134400).

Almost surely, 2^{102121200011211} is an apocalyptic number.

102121200011211 is a deficient number, since it is larger than the sum of its proper divisors (34198177063989).

102121200011211 is an equidigital number, since it uses as much as digits as its factorization.

102121200011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39444265065.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102121200011211 its reverse (112110002121201), we get a palindrome (214231202132412).

The spelling of 102121200011211 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred million, eleven thousand, two hundred eleven".