10121112002221 has 8 divisors (see below), whose sum is σ = 11057967597600. Its totient is φ = 9187048824240.

The previous prime is 10121112002213. The next prime is 10121112002227. The reversal of 10121112002221 is 12220021112101.

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 10121112002221 - 2³ = 10121112002213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10121112002195 and 10121112002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121112002227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698096766 + ... + 698111263.

It is an arithmetic number, because the mean of its divisors is an integer number (1382245949700).

Almost surely, 2^{10121112002221} is an apocalyptic number.

10121112002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10121112002221 is a deficient number, since it is larger than the sum of its proper divisors (936855595379).

10121112002221 is a wasteful number, since it uses less digits than its factorization.

10121112002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396208699.

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

Adding to 10121112002221 its reverse (12220021112101), we get a palindrome (22341133114322).

The spelling of 10121112002221 in words is "ten trillion, one hundred twenty-one billion, one hundred twelve million, two thousand, two hundred twenty-one".