211204021342 has 16 divisors (see below), whose sum is σ = 321570614160. Its totient is φ = 104014171008.

The previous prime is 211204021339. The next prime is 211204021363. The reversal of 211204021342 is 243120402112.

It is a congruent number.

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, 1175334 + ... + 1343062.

It is an arithmetic number, because the mean of its divisors is an integer number (20098163385).

Almost surely, 2^211204021342 is an apocalyptic number.

211204021342 is a deficient number, since it is larger than the sum of its proper divisors (110366592818).

211204021342 is a wasteful number, since it uses less digits than its factorization.

211204021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177195.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 211204021342 its reverse (243120402112), we get a palindrome (454324423454).

The spelling of 211204021342 in words is "two hundred eleven billion, two hundred four million, twenty-one thousand, three hundred forty-two".