2010021211021 has 16 divisors (see below), whose sum is σ = 2086021080000. Its totient is φ = 1935826459776.

The previous prime is 2010021211019. The next prime is 2010021211027. The reversal of 2010021211021 is 1201121200102.

It is a cyclic number.

It is not a de Polignac number, because 2010021211021 - 2¹ = 2010021211019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010021210992 and 2010021211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010021211027) 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, 1183551 + ... + 2328268.

It is an arithmetic number, because the mean of its divisors is an integer number (130376317500).

Almost surely, 2^{2010021211021} is an apocalyptic number.

It is an amenable number.

2010021211021 is a deficient number, since it is larger than the sum of its proper divisors (75999868979).

2010021211021 is a wasteful number, since it uses less digits than its factorization.

2010021211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512076.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2010021211021 its reverse (1201121200102), we get a palindrome (3211142411123).

The spelling of 2010021211021 in words is "two trillion, ten billion, twenty-one million, two hundred eleven thousand, twenty-one".