2010101131021 has 4 divisors (see below), whose sum is σ = 2011660559100. Its totient is φ = 2008541702944.

The previous prime is 2010101131013. The next prime is 2010101131061. The reversal of 2010101131021 is 1201311010102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1790645422500 + 219455708521 = 1338150^2 + 468461^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010101131021 - 2³ = 2010101131013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010101130992 and 2010101131010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010101131061) 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 3 ways as a sum of consecutive naturals, for example, 779712106 + ... + 779714683.

It is an arithmetic number, because the mean of its divisors is an integer number (502915139775).

Almost surely, 2^{2010101131021} is an apocalyptic number.

It is an amenable number.

2010101131021 is a deficient number, since it is larger than the sum of its proper divisors (1559428079).

2010101131021 is a wasteful number, since it uses less digits than its factorization.

2010101131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559428078.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 2010101131021 its reverse (1201311010102), we get a palindrome (3211412141123).

The spelling of 2010101131021 in words is "two trillion, ten billion, one hundred one million, one hundred thirty-one thousand, twenty-one".