100211220102121 has 8 divisors (see below), whose sum is σ = 102544526177280. Its totient is φ = 97878041871792.

The previous prime is 100211220102079. The next prime is 100211220102127. The reversal of 100211220102121 is 121201022112001.

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 100211220102121 - 2²³ = 100211211713513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100211220102095 and 100211220102104.

It is not an unprimeable number, because it can be changed into a prime (100211220102127) 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, 30374350 + ... + 33511543.

It is an arithmetic number, because the mean of its divisors is an integer number (12818065772160).

Almost surely, 2^{100211220102121} is an apocalyptic number.

It is an amenable number.

100211220102121 is a deficient number, since it is larger than the sum of its proper divisors (2333306075159).

100211220102121 is an equidigital number, since it uses as much as digits as its factorization.

100211220102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63922415.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100211220102121 its reverse (121201022112001), we get a palindrome (221412242214122).

The spelling of 100211220102121 in words is "one hundred trillion, two hundred eleven billion, two hundred twenty million, one hundred two thousand, one hundred twenty-one".