211142023322 has 4 divisors (see below), whose sum is σ = 316713034986. Its totient is φ = 105571011660.

The previous prime is 211142023321. The next prime is 211142023363. The reversal of 211142023322 is 223320241112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 192518235361 + 18623787961 = 438769^2 + 136469^2 .

It is not an unprimeable number, because it can be changed into a prime (211142023321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52785505829 + ... + 52785505832.

Almost surely, 2^211142023322 is an apocalyptic number.

211142023322 is a deficient number, since it is larger than the sum of its proper divisors (105571011664).

211142023322 is a wasteful number, since it uses less digits than its factorization.

211142023322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105571011663.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211142023322 its reverse (223320241112), we get a palindrome (434462264434).

The spelling of 211142023322 in words is "two hundred eleven billion, one hundred forty-two million, twenty-three thousand, three hundred twenty-two".