122212210222011 has 128 divisors (see below), whose sum is σ = 211161842583552. Its totient is φ = 61143869952000.

The previous prime is 122212210221977. The next prime is 122212210222013. The reversal of 122212210222011 is 110222012212221.

It is not a de Polignac number, because 122212210222011 - 2⁷ = 122212210221883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (122212210222013) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 534541741 + ... + 534770321.

It is an arithmetic number, because the mean of its divisors is an integer number (1649701895184).

Almost surely, 2^{122212210222011} is an apocalyptic number.

122212210222011 is a deficient number, since it is larger than the sum of its proper divisors (88949632361541).

122212210222011 is a wasteful number, since it uses less digits than its factorization.

122212210222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229973.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122212210222011 its reverse (110222012212221), we get a palindrome (232434222434232).

It can be divided in two parts, 122212210 and 222011, that added together give a palindrome (122434221).

The spelling of 122212210222011 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred ten million, two hundred twenty-two thousand, eleven".