100210002202121 has 4 divisors (see below), whose sum is σ = 114525716802432. Its totient is φ = 85894287601812.

The previous prime is 100210002202087. The next prime is 100210002202133. The reversal of 100210002202121 is 121202200012001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100210002202121 - 2¹⁸ = 100210001939977 is a prime.

It is a super-3 number, since 3×100210002202121³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100210002202096 and 100210002202105.

It is not an unprimeable number, because it can be changed into a prime (100210002202151) 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, 7157857300145 + ... + 7157857300158.

It is an arithmetic number, because the mean of its divisors is an integer number (28631429200608).

Almost surely, 2^{100210002202121} is an apocalyptic number.

It is an amenable number.

100210002202121 is a deficient number, since it is larger than the sum of its proper divisors (14315714600311).

100210002202121 is an equidigital number, since it uses as much as digits as its factorization.

100210002202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14315714600310.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100210002202121 its reverse (121202200012001), we get a palindrome (221412202214122).

The spelling of 100210002202121 in words is "one hundred trillion, two hundred ten billion, two million, two hundred two thousand, one hundred twenty-one".