100121100210211 has 4 divisors (see below), whose sum is σ = 100122853118400. Its totient is φ = 100119347302024.

The previous prime is 100121100210181. The next prime is 100121100210239. The reversal of 100121100210211 is 112012001121001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100121100210211 - 2⁹ = 100121100209699 is a prime.

It is a super-2 number, since 2×100121100210211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100121100210191 and 100121100210200.

It is not an unprimeable number, because it can be changed into a prime (100121100210311) 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, 876368416 + ... + 876482653.

It is an arithmetic number, because the mean of its divisors is an integer number (25030713279600).

Almost surely, 2^{100121100210211} is an apocalyptic number.

100121100210211 is a deficient number, since it is larger than the sum of its proper divisors (1752908189).

100121100210211 is an equidigital number, since it uses as much as digits as its factorization.

100121100210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752908188.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100121100210211 its reverse (112012001121001), we get a palindrome (212133101331212).

The spelling of 100121100210211 in words is "one hundred trillion, one hundred twenty-one billion, one hundred million, two hundred ten thousand, two hundred eleven".