1002210200021 has 8 divisors (see below), whose sum is σ = 1047003896064. Its totient is φ = 958195524960.

The previous prime is 1002210200011. The next prime is 1002210200023. The reversal of 1002210200021 is 1200020122001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002210200021 is a prime.

It is a super-2 number, since 2×1002210200021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002210199975 and 1002210200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002210200023) 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, 194752616 + ... + 194757761.

It is an arithmetic number, because the mean of its divisors is an integer number (130875487008).

Almost surely, 2^{1002210200021} is an apocalyptic number.

It is an amenable number.

1002210200021 is a deficient number, since it is larger than the sum of its proper divisors (44793696043).

1002210200021 is an equidigital number, since it uses as much as digits as its factorization.

1002210200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389510491.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1002210200021 its reverse (1200020122001), we get a palindrome (2202230322022).

The spelling of 1002210200021 in words is "one trillion, two billion, two hundred ten million, two hundred thousand, twenty-one".