221121012120022 has 16 divisors (see below), whose sum is σ = 383862878184960. Its totient is φ = 93566576556648.

The previous prime is 221121012119993. The next prime is 221121012120049. The reversal of 221121012120022 is 220021210121122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99964290088 + ... + 99964292299.

It is an arithmetic number, because the mean of its divisors is an integer number (23991429886560).

Almost surely, 2^{221121012120022} is an apocalyptic number.

221121012120022 is a deficient number, since it is larger than the sum of its proper divisors (162741866064938).

221121012120022 is a wasteful number, since it uses less digits than its factorization.

221121012120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199928582475.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221121012120022 its reverse (220021210121122), we get a palindrome (441142222241144).

The spelling of 221121012120022 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, twelve million, one hundred twenty thousand, twenty-two".