10210020002121 has 16 divisors (see below), whose sum is σ = 13621633401600. Its totient is φ = 6802543675728.

The previous prime is 10210020002101. The next prime is 10210020002263. The reversal of 10210020002121 is 12120002001201.

It is not a de Polignac number, because 10210020002121 - 2²¹ = 10210017904969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10210020002097 and 10210020002106.

It is not an unprimeable number, because it can be changed into a prime (10210020002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170766210 + ... + 170825988.

It is an arithmetic number, because the mean of its divisors is an integer number (851352087600).

Almost surely, 2^{10210020002121} is an apocalyptic number.

It is an amenable number.

10210020002121 is a deficient number, since it is larger than the sum of its proper divisors (3411613399479).

10210020002121 is a wasteful number, since it uses less digits than its factorization.

10210020002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93428.

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

Adding to 10210020002121 its reverse (12120002001201), we get a palindrome (22330022003322).

The spelling of 10210020002121 in words is "ten trillion, two hundred ten billion, twenty million, two thousand, one hundred twenty-one".