102211100210121 has 8 divisors (see below), whose sum is σ = 155750247939264. Its totient is φ = 58406342977200.

The previous prime is 102211100210113. The next prime is 102211100210137. The reversal of 102211100210121 is 121012001112201.

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 102211100210121 - 2³ = 102211100210113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102211100210121.

It is not an unprimeable number, because it can be changed into a prime (102211100210621) 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, 2433597624030 + ... + 2433597624071.

It is an arithmetic number, because the mean of its divisors is an integer number (19468780992408).

Almost surely, 2^{102211100210121} is an apocalyptic number.

It is an amenable number.

102211100210121 is a deficient number, since it is larger than the sum of its proper divisors (53539147729143).

102211100210121 is an equidigital number, since it uses as much as digits as its factorization.

102211100210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867195248111.

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

Adding to 102211100210121 its reverse (121012001112201), we get a palindrome (223223101322322).

The spelling of 102211100210121 in words is "one hundred two trillion, two hundred eleven billion, one hundred million, two hundred ten thousand, one hundred twenty-one".