222021010121102 has 4 divisors (see below), whose sum is σ = 333031515181656. Its totient is φ = 111010505060550.

The previous prime is 222021010121069. The next prime is 222021010121123. The reversal of 222021010121102 is 201121010120222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505252530274 + ... + 55505252530277.

It is an arithmetic number, because the mean of its divisors is an integer number (83257878795414).

Almost surely, 2^{222021010121102} is an apocalyptic number.

222021010121102 is a deficient number, since it is larger than the sum of its proper divisors (111010505060554).

222021010121102 is a wasteful number, since it uses less digits than its factorization.

222021010121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111010505060553.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222021010121102 its reverse (201121010120222), we get a palindrome (423142020241324).

The spelling of 222021010121102 in words is "two hundred twenty-two trillion, twenty-one billion, ten million, one hundred twenty-one thousand, one hundred two".