10020010212221 has 16 divisors (see below), whose sum is σ = 10680580850688. Its totient is φ = 9387106435200.

The previous prime is 10020010212193. The next prime is 10020010212269. The reversal of 10020010212221 is 12221201002001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020010212221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10020010212196 and 10020010212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020010212281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48952565 + ... + 49156826.

It is an arithmetic number, because the mean of its divisors is an integer number (667536303168).

Almost surely, 2^{10020010212221} is an apocalyptic number.

It is an amenable number.

10020010212221 is a deficient number, since it is larger than the sum of its proper divisors (660570638467).

10020010212221 is an equidigital number, since it uses as much as digits as its factorization.

10020010212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98109532.

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

Adding to 10020010212221 its reverse (12221201002001), we get a palindrome (22241211214222).

The spelling of 10020010212221 in words is "ten trillion, twenty billion, ten million, two hundred twelve thousand, two hundred twenty-one".