2021311442234 has 16 divisors (see below), whose sum is σ = 3465141551808. Its totient is φ = 866267276832.

The previous prime is 2021311442203. The next prime is 2021311442251. The reversal of 2021311442234 is 4322441131202.

It is a junction number, because it is equal to n+sod(n) for n = 2021311442197 and 2021311442206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733694 + ... + 2140310.

It is an arithmetic number, because the mean of its divisors is an integer number (216571346988).

Almost surely, 2^{2021311442234} is an apocalyptic number.

2021311442234 is a deficient number, since it is larger than the sum of its proper divisors (1443830109574).

2021311442234 is a wasteful number, since it uses less digits than its factorization.

2021311442234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509269.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2021311442234 its reverse (4322441131202), we get a palindrome (6343752573436).

The spelling of 2021311442234 in words is "two trillion, twenty-one billion, three hundred eleven million, four hundred forty-two thousand, two hundred thirty-four".