2112111002 has 4 divisors (see below), whose sum is σ = 3168166506. Its totient is φ = 1056055500.

The previous prime is 2112110993. The next prime is 2112111011. The reversal of 2112111002 is 2001112112.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2112110993) and next prime (2112111011).

It can be written as a sum of positive squares in only one way, i.e., 2007846481 + 104264521 = 44809^2 + 10211^2 .

It is a super-2 number, since 2×2112111002² = 8922025769538888008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528027749 + ... + 528027752.

Almost surely, 2^2112111002 is an apocalyptic number.

2112111002 is a deficient number, since it is larger than the sum of its proper divisors (1056055504).

2112111002 is a wasteful number, since it uses less digits than its factorization.

2112111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056055503.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2112111002 is about 45957.7088419342. The cubic root of 2112111002 is about 1283.0362090494.

Adding to 2112111002 its reverse (2001112112), we get a palindrome (4113223114).

It can be divided in two parts, 21121 and 11002, that added together give a palindrome (32123).

The spelling of 2112111002 in words is "two billion, one hundred twelve million, one hundred eleven thousand, two".