121111222000002 has 64 divisors (see below), whose sum is σ = 264160708116480. Its totient is φ = 36792752353344.

The previous prime is 121111221999997. The next prime is 121111222000003. The reversal of 121111222000002 is 200000222111121.

It is not an unprimeable number, because it can be changed into a prime (121111222000003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 748522003 + ... + 748683785.

It is an arithmetic number, because the mean of its divisors is an integer number (4127511064320).

Almost surely, 2^{121111222000002} is an apocalyptic number.

121111222000002 is an abundant number, since it is smaller than the sum of its proper divisors (143049486116478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121111222000002 is a wasteful number, since it uses less digits than its factorization.

121111222000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283367.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121111222000002 its reverse (200000222111121), we get a palindrome (321111444111123).

The spelling of 121111222000002 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred twenty-two million, two", and thus it is an aban number.