10010221210121 has 4 divisors (see below), whose sum is σ = 10920241320144. Its totient is φ = 9100201100100.

The previous prime is 10010221210117. The next prime is 10010221210163. The reversal of 10010221210121 is 12101212201001.

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 not a de Polignac number, because 10010221210121 - 2² = 10010221210117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10010221210096 and 10010221210105.

It is not an unprimeable number, because it can be changed into a prime (10010221210421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455010054995 + ... + 455010055016.

It is an arithmetic number, because the mean of its divisors is an integer number (2730060330036).

Almost surely, 2^{10010221210121} is an apocalyptic number.

10010221210121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10010221210121 is a deficient number, since it is larger than the sum of its proper divisors (910020110023).

10010221210121 is an equidigital number, since it uses as much as digits as its factorization.

10010221210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910020110022.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10010221210121 its reverse (12101212201001), we get a palindrome (22111433411122).

The spelling of 10010221210121 in words is "ten trillion, ten billion, two hundred twenty-one million, two hundred ten thousand, one hundred twenty-one".