2010020220121 has 8 divisors (see below), whose sum is σ = 2015120601864. Its totient is φ = 2004925802880.

The previous prime is 2010020220113. The next prime is 2010020220133. The reversal of 2010020220121 is 1210220200102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4225000000 + 2005795220121 = 65000^2 + 1416261^2 .

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 2010020220121 - 2³ = 2010020220113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010020220101) 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, 815890 + ... + 2164651.

It is an arithmetic number, because the mean of its divisors is an integer number (251890075233).

Almost surely, 2^{2010020220121} is an apocalyptic number.

It is an amenable number.

2010020220121 is a deficient number, since it is larger than the sum of its proper divisors (5100381743).

2010020220121 is a wasteful number, since it uses less digits than its factorization.

2010020220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982251.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2010020220121 its reverse (1210220200102), we get a palindrome (3220240420223).

The spelling of 2010020220121 in words is "two trillion, ten billion, twenty million, two hundred twenty thousand, one hundred twenty-one".