10210221002121 has 16 divisors (see below), whose sum is σ = 15560022995328. Its totient is φ = 5833815379200.

The previous prime is 10210221002101. The next prime is 10210221002129. The reversal of 10210221002121 is 12120012201201.

It is not a de Polignac number, because 10210221002121 - 2¹⁷ = 10210220871049 is a prime.

It is a super-2 number, since 2×10210221002121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10210221002121.

It is not an unprimeable number, because it can be changed into a prime (10210221002129) 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, 24648960 + ... + 25059761.

It is an arithmetic number, because the mean of its divisors is an integer number (972501437208).

Almost surely, 2^{10210221002121} is an apocalyptic number.

It is an amenable number.

10210221002121 is a deficient number, since it is larger than the sum of its proper divisors (5349801993207).

10210221002121 is an equidigital number, since it uses as much as digits as its factorization.

10210221002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49718512.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10210221002121 its reverse (12120012201201), we get a palindrome (22330233203322).

The spelling of 10210221002121 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, two thousand, one hundred twenty-one".