111101021121002 has 64 divisors (see below), whose sum is σ = 190393665454080. Its totient is φ = 48129970204800.

The previous prime is 111101021120899. The next prime is 111101021121031. The reversal of 111101021121002 is 200121120101111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191764574 + ... + 192343062.

It is an arithmetic number, because the mean of its divisors is an integer number (2974901022720).

Almost surely, 2^{111101021121002} is an apocalyptic number.

111101021121002 is a deficient number, since it is larger than the sum of its proper divisors (79292644333078).

111101021121002 is a wasteful number, since it uses less digits than its factorization.

111101021121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579899.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111101021121002 its reverse (200121120101111), we get a palindrome (311222141222113).

The spelling of 111101021121002 in words is "one hundred eleven trillion, one hundred one billion, twenty-one million, one hundred twenty-one thousand, two".