122102122443122 has 4 divisors (see below), whose sum is σ = 183153183664686. Its totient is φ = 61051061221560.

The previous prime is 122102122443101. The next prime is 122102122443131. The reversal of 122102122443122 is 221344221201221.

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., 101932870784761 + 20169251658361 = 10096181^2 + 4491019^2 .

It is a super-2 number, since 2×122102122443122² (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, 30525530610779 + ... + 30525530610782.

Almost surely, 2^{122102122443122} is an apocalyptic number.

122102122443122 is a deficient number, since it is larger than the sum of its proper divisors (61051061221564).

122102122443122 is an equidigital number, since it uses as much as digits as its factorization.

122102122443122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61051061221563.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 122102122443122 its reverse (221344221201221), we get a palindrome (343446343644343).

The spelling of 122102122443122 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred twenty-two million, four hundred forty-three thousand, one hundred twenty-two".