2112121021202 has 32 divisors (see below), whose sum is σ = 3215873707200. Its totient is φ = 1040202950400.

The previous prime is 2112121021189. The next prime is 2112121021207. The reversal of 2112121021202 is 2021201212112.

It is a super-2 number, since 2×2112121021202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112121021207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474525077 + ... + 474529527.

It is an arithmetic number, because the mean of its divisors is an integer number (100496053350).

Almost surely, 2^{2112121021202} is an apocalyptic number.

2112121021202 is a deficient number, since it is larger than the sum of its proper divisors (1103752685998).

2112121021202 is a wasteful number, since it uses less digits than its factorization.

2112121021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138.

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

Adding to 2112121021202 its reverse (2021201212112), we get a palindrome (4133322233314).

The spelling of 2112121021202 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, twenty-one thousand, two hundred two".