121100102212 has 6 divisors (see below), whose sum is σ = 211925178878. Its totient is φ = 60550051104.

The previous prime is 121100102171. The next prime is 121100102231. The reversal of 121100102212 is 212201001121.

It can be written as a sum of positive squares in only one way, i.e., 84578598976 + 36521503236 = 290824^2 + 191106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121100102192 and 121100102201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15137512773 + ... + 15137512780.

Almost surely, 2^121100102212 is an apocalyptic number.

It is an amenable number.

121100102212 is a deficient number, since it is larger than the sum of its proper divisors (90825076666).

121100102212 is a wasteful number, since it uses less digits than its factorization.

121100102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30275025557 (or 30275025555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121100102212 its reverse (212201001121), we get a palindrome (333301103333).

The spelling of 121100102212 in words is "one hundred twenty-one billion, one hundred million, one hundred two thousand, two hundred twelve".