111211210121002 has 8 divisors (see below), whose sum is σ = 166820511924576. Its totient is φ = 55604372812812.

The previous prime is 111211210120949. The next prime is 111211210121027. The reversal of 111211210121002 is 200121012112111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616011028 + ... + 616191535.

It is an arithmetic number, because the mean of its divisors is an integer number (20852563990572).

Almost surely, 2^{111211210121002} is an apocalyptic number.

111211210121002 is a deficient number, since it is larger than the sum of its proper divisors (55609301803574).

111211210121002 is a wasteful number, since it uses less digits than its factorization.

111211210121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232247692.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111211210121002 its reverse (200121012112111), we get a palindrome (311332222233113).

The spelling of 111211210121002 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred ten million, one hundred twenty-one thousand, two".