1020010102221 has 8 divisors (see below), whose sum is σ = 1483651057824. Its totient is φ = 618187940720.

The previous prime is 1020010102217. The next prime is 1020010102229. The reversal of 1020010102221 is 1222010100201.

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 1020010102221 - 2² = 1020010102217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020010102197 and 1020010102206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020010102229) 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, 15454698486 + ... + 15454698551.

It is an arithmetic number, because the mean of its divisors is an integer number (185456382228).

Almost surely, 2^{1020010102221} is an apocalyptic number.

1020010102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020010102221 is a deficient number, since it is larger than the sum of its proper divisors (463640955603).

1020010102221 is a wasteful number, since it uses less digits than its factorization.

1020010102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30909397051.

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

Adding to 1020010102221 its reverse (1222010100201), we get a palindrome (2242020202422).

The spelling of 1020010102221 in words is "one trillion, twenty billion, ten million, one hundred two thousand, two hundred twenty-one".