122121011012122 has 32 divisors (see below), whose sum is σ = 194598285601104. Its totient is φ = 57278953881600.

The previous prime is 122121011012081. The next prime is 122121011012129. The reversal of 122121011012122 is 221210110121221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13826788596721 + 108294222415401 = 3718439^2 + 10406451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122121011012122.

It is not an unprimeable number, because it can be changed into a prime (122121011012129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9386938 + ... + 18230650.

Almost surely, 2^{122121011012122} is an apocalyptic number.

122121011012122 is a deficient number, since it is larger than the sum of its proper divisors (72477274588982).

122121011012122 is a wasteful number, since it uses less digits than its factorization.

122121011012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8845074.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122121011012122 its reverse (221210110121221), we get a palindrome (343331121133343).

The spelling of 122121011012122 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, eleven million, twelve thousand, one hundred twenty-two".