121100202122 has 16 divisors (see below), whose sum is σ = 185125385952. Its totient is φ = 59392329360.

The previous prime is 121100202103. The next prime is 121100202127. The reversal of 121100202122 is 221202001121.

It is a junction number, because it is equal to n+sod(n) for n = 121100202097 and 121100202106.

It is not an unprimeable number, because it can be changed into a prime (121100202127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271373 + ... + 561999.

It is an arithmetic number, because the mean of its divisors is an integer number (11570336622).

Almost surely, 2^121100202122 is an apocalyptic number.

121100202122 is a deficient number, since it is larger than the sum of its proper divisors (64025183830).

121100202122 is a wasteful number, since it uses less digits than its factorization.

121100202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294613.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121100202122 its reverse (221202001121), we get a palindrome (342302203243).

The spelling of 121100202122 in words is "one hundred twenty-one billion, one hundred million, two hundred two thousand, one hundred twenty-two".