10121011020221 has 8 divisors (see below), whose sum is σ = 10122880788864. Its totient is φ = 10119141442080.

The previous prime is 10121011020209. The next prime is 10121011020271. The reversal of 10121011020221 is 12202011012101.

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 10121011020221 - 2¹⁸ = 10121010758077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121011020196 and 10121011020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121011020271) 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, 142733186 + ... + 142804076.

It is an arithmetic number, because the mean of its divisors is an integer number (1265360098608).

Almost surely, 2^{10121011020221} is an apocalyptic number.

It is an amenable number.

10121011020221 is a deficient number, since it is larger than the sum of its proper divisors (1869768643).

10121011020221 is an equidigital number, since it uses as much as digits as its factorization.

10121011020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95251.

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

Adding to 10121011020221 its reverse (12202011012101), we get a palindrome (22323022032322).

The spelling of 10121011020221 in words is "ten trillion, one hundred twenty-one billion, eleven million, twenty thousand, two hundred twenty-one".