211420022342 has 16 divisors (see below), whose sum is σ = 329961900240. Its totient is φ = 101474863392.

The previous prime is 211420022339. The next prime is 211420022347. The reversal of 211420022342 is 243220024112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211420022347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10525148 + ... + 10545215.

It is an arithmetic number, because the mean of its divisors is an integer number (20622618765).

Almost surely, 2^211420022342 is an apocalyptic number.

211420022342 is a deficient number, since it is larger than the sum of its proper divisors (118541877898).

211420022342 is a wasteful number, since it uses less digits than its factorization.

211420022342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21070567.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 211420022342 its reverse (243220024112), we get a palindrome (454640046454).

The spelling of 211420022342 in words is "two hundred eleven billion, four hundred twenty million, twenty-two thousand, three hundred forty-two".