102210200001021 has 16 divisors (see below), whose sum is σ = 155930613531264. Its totient is φ = 58337677069824.

The previous prime is 102210200001011. The next prime is 102210200001023. The reversal of 102210200001021 is 120100002012201.

It is not a de Polignac number, because 102210200001021 - 2⁹ = 102210200000509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102210200000988 and 102210200001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210200001023) 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, 2839627500 + ... + 2839663493.

It is an arithmetic number, because the mean of its divisors is an integer number (9745663345704).

Almost surely, 2^{102210200001021} is an apocalyptic number.

It is an amenable number.

102210200001021 is a deficient number, since it is larger than the sum of its proper divisors (53720413530243).

102210200001021 is an equidigital number, since it uses as much as digits as its factorization.

102210200001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5679291860.

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

Adding to 102210200001021 its reverse (120100002012201), we get a palindrome (222310202013222).

The spelling of 102210200001021 in words is "one hundred two trillion, two hundred ten billion, two hundred million, one thousand, twenty-one".