221012011100222 has 32 divisors (see below), whose sum is σ = 353385032580000. Its totient is φ = 103367608413696.

The previous prime is 221012011100197. The next prime is 221012011100249. The reversal of 221012011100222 is 222001110210122.

It is a self number, because there is not a number n which added to its sum of digits gives 221012011100222.

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, 43687847 + ... + 48483522.

It is an arithmetic number, because the mean of its divisors is an integer number (11043282268125).

Almost surely, 2^{221012011100222} is an apocalyptic number.

221012011100222 is a deficient number, since it is larger than the sum of its proper divisors (132373021479778).

221012011100222 is a wasteful number, since it uses less digits than its factorization.

221012011100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92172188.

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

Adding to 221012011100222 its reverse (222001110210122), we get a palindrome (443013121310344).

The spelling of 221012011100222 in words is "two hundred twenty-one trillion, twelve billion, eleven million, one hundred thousand, two hundred twenty-two".