10101002020221 has 16 divisors (see below), whose sum is σ = 15472589488128. Its totient is φ = 5741781250800.

The previous prime is 10101002020211. The next prime is 10101002020271. The reversal of 10101002020221 is 12202020010101.

It is not a de Polignac number, because 10101002020221 - 2¹⁹ = 10101001495933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10101002020197 and 10101002020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101002020211) 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, 1259158545 + ... + 1259166566.

It is an arithmetic number, because the mean of its divisors is an integer number (967036843008).

Almost surely, 2^{10101002020221} is an apocalyptic number.

It is an amenable number.

10101002020221 is a deficient number, since it is larger than the sum of its proper divisors (5371587467907).

10101002020221 is a wasteful number, since it uses less digits than its factorization.

10101002020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518325312.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10101002020221 its reverse (12202020010101), we get a palindrome (22303022030322).

The spelling of 10101002020221 in words is "ten trillion, one hundred one billion, two million, twenty thousand, two hundred twenty-one".