121100122212122 has 4 divisors (see below), whose sum is σ = 181650183318186. Its totient is φ = 60550061106060.

The previous prime is 121100122212077. The next prime is 121100122212127. The reversal of 121100122212122 is 221212221001121.

121100122212122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 63570339556201 + 57529782655921 = 7973101^2 + 7584839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121100122212094 and 121100122212103.

It is not an unprimeable number, because it can be changed into a prime (121100122212127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30275030553029 + ... + 30275030553032.

Almost surely, 2^{121100122212122} is an apocalyptic number.

121100122212122 is a deficient number, since it is larger than the sum of its proper divisors (60550061106064).

121100122212122 is an equidigital number, since it uses as much as digits as its factorization.

121100122212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60550061106063.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121100122212122 its reverse (221212221001121), we get a palindrome (342312343213243).

The spelling of 121100122212122 in words is "one hundred twenty-one trillion, one hundred billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-two".