121210022021222 has 32 divisors (see below), whose sum is σ = 201235479736320. Its totient is φ = 54501275687040.

The previous prime is 121210022021219. The next prime is 121210022021251. The reversal of 121210022021222 is 222120220012121.

It is a junction number, because it is equal to n+sod(n) for n = 121210022021194 and 121210022021203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727764968 + ... + 727931499.

It is an arithmetic number, because the mean of its divisors is an integer number (6288608741760).

Almost surely, 2^{121210022021222} is an apocalyptic number.

121210022021222 is a deficient number, since it is larger than the sum of its proper divisors (80025457715098).

121210022021222 is a wasteful number, since it uses less digits than its factorization.

121210022021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455696596.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121210022021222 its reverse (222120220012121), we get a palindrome (343330242033343).

The spelling of 121210022021222 in words is "one hundred twenty-one trillion, two hundred ten billion, twenty-two million, twenty-one thousand, two hundred twenty-two".