2021211064135 has 16 divisors (see below), whose sum is σ = 2437370966016. Its totient is φ = 1609029924768.

The previous prime is 2021211064127. The next prime is 2021211064151. The reversal of 2021211064135 is 5314601121202.

It is a cyclic number.

It is not a de Polignac number, because 2021211064135 - 2³ = 2021211064127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2230722 + ... + 3003088.

It is an arithmetic number, because the mean of its divisors is an integer number (152335685376).

Almost surely, 2^{2021211064135} is an apocalyptic number.

2021211064135 is a deficient number, since it is larger than the sum of its proper divisors (416159901881).

2021211064135 is a wasteful number, since it uses less digits than its factorization.

2021211064135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774942.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 2021211064135 its reverse (5314601121202), we get a palindrome (7335812185337).

The spelling of 2021211064135 in words is "two trillion, twenty-one billion, two hundred eleven million, sixty-four thousand, one hundred thirty-five".