211122222011122 has 8 divisors (see below), whose sum is σ = 316700413236972. Its totient is φ = 105555417598800.

The previous prime is 211122222011101. The next prime is 211122222011123. The reversal of 211122222011122 is 221110222221112.

It can be written as a sum of positive squares in 2 ways, for example, as 210781876952241 + 340345058881 = 14518329^2 + 583391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211122222011093 and 211122222011102.

It is not an unprimeable number, because it can be changed into a prime (211122222011123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2846657029 + ... + 2846731192.

Almost surely, 2^{211122222011122} is an apocalyptic number.

211122222011122 is a deficient number, since it is larger than the sum of its proper divisors (105578191225850).

211122222011122 is a wasteful number, since it uses less digits than its factorization.

211122222011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693406764.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 211122222011122 its reverse (221110222221112), we get a palindrome (432232444232234).

The spelling of 211122222011122 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, eleven thousand, one hundred twenty-two".