102211211112121 has 8 divisors (see below), whose sum is σ = 106859106417600. Its totient is φ = 97580309940432.

The previous prime is 102211211112097. The next prime is 102211211112169. The reversal of 102211211112121 is 121211112112201.

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

It is a cyclic number.

It is not a de Polignac number, because 102211211112121 - 2⁵ = 102211211112089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211211112721) 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, 4248521146 + ... + 4248545203.

It is an arithmetic number, because the mean of its divisors is an integer number (13357388302200).

Almost surely, 2^{102211211112121} is an apocalyptic number.

It is an amenable number.

102211211112121 is a deficient number, since it is larger than the sum of its proper divisors (4647895305479).

102211211112121 is an equidigital number, since it uses as much as digits as its factorization.

102211211112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497066895.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 102211211112121 its reverse (121211112112201), we get a palindrome (223422323224322).

The spelling of 102211211112121 in words is "one hundred two trillion, two hundred eleven billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty-one".