121012112101222 has 32 divisors (see below), whose sum is σ = 201008881497600. Its totient is φ = 54346845429888.

The previous prime is 121012112101213. The next prime is 121012112101271. The reversal of 121012112101222 is 222101211210121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121012112101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175906072 + ... + 176592667.

It is an arithmetic number, because the mean of its divisors is an integer number (6281527546800).

Almost surely, 2^{121012112101222} is an apocalyptic number.

121012112101222 is a deficient number, since it is larger than the sum of its proper divisors (79996769396378).

121012112101222 is a wasteful number, since it uses less digits than its factorization.

121012112101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352499220.

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

Adding to 121012112101222 its reverse (222101211210121), we get a palindrome (343113323311343).

The spelling of 121012112101222 in words is "one hundred twenty-one trillion, twelve billion, one hundred twelve million, one hundred one thousand, two hundred twenty-two".