211303243103122 has 4 divisors (see below), whose sum is σ = 316954864654686. Its totient is φ = 105651621551560.

The previous prime is 211303243103089. The next prime is 211303243103131. The reversal of 211303243103122 is 221301342303112.

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., 188386907118921 + 22916335984201 = 13725411^2 + 4787101^2 .

It is a super-2 number, since 2×211303243103122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52825810775779 + ... + 52825810775782.

Almost surely, 2^{211303243103122} is an apocalyptic number.

211303243103122 is a deficient number, since it is larger than the sum of its proper divisors (105651621551564).

211303243103122 is a wasteful number, since it uses less digits than its factorization.

211303243103122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105651621551563.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 211303243103122 its reverse (221301342303112), we get a palindrome (432604585406234).

The spelling of 211303243103122 in words is "two hundred eleven trillion, three hundred three billion, two hundred forty-three million, one hundred three thousand, one hundred twenty-two".