1002100210221 has 8 divisors (see below), whose sum is σ = 1457600305824. Its totient is φ = 607333460720.

The previous prime is 1002100210171. The next prime is 1002100210277. The reversal of 1002100210221 is 1220120012001.

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 1002100210221 - 2²³ = 1002091821613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002100210197 and 1002100210206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002100210921) 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, 15183336486 + ... + 15183336551.

It is an arithmetic number, because the mean of its divisors is an integer number (182200038228).

Almost surely, 2^{1002100210221} is an apocalyptic number.

1002100210221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002100210221 is a deficient number, since it is larger than the sum of its proper divisors (455500095603).

1002100210221 is a wasteful number, since it uses less digits than its factorization.

1002100210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30366673051.

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

Adding to 1002100210221 its reverse (1220120012001), we get a palindrome (2222220222222).

The spelling of 1002100210221 in words is "one trillion, two billion, one hundred million, two hundred ten thousand, two hundred twenty-one".