111121012122002 has 8 divisors (see below), whose sum is σ = 166695950767500. Its totient is φ = 55555695199504.

The previous prime is 111121012121969. The next prime is 111121012122037. The reversal of 111121012122002 is 200221210121111.

It can be written as a sum of positive squares in 2 ways, for example, as 111080659749361 + 40352372641 = 10539481^2 + 200879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405401877 + ... + 2405448072.

Almost surely, 2^{111121012122002} is an apocalyptic number.

111121012122002 is a deficient number, since it is larger than the sum of its proper divisors (55574938645498).

111121012122002 is a wasteful number, since it uses less digits than its factorization.

111121012122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810861500.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111121012122002 its reverse (200221210121111), we get a palindrome (311342222243113).

The spelling of 111121012122002 in words is "one hundred eleven trillion, one hundred twenty-one billion, twelve million, one hundred twenty-two thousand, two".