2111121000212 has 48 divisors (see below), whose sum is σ = 4301744039040. Its totient is φ = 887786697600.

The previous prime is 2111121000203. The next prime is 2111121000217. The reversal of 2111121000212 is 2120001211112.

It is a super-2 number, since 2×2111121000212² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111121000217) 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, 287339 + ... + 2074802.

It is an arithmetic number, because the mean of its divisors is an integer number (89619667480).

Almost surely, 2^{2111121000212} is an apocalyptic number.

It is an amenable number.

2111121000212 is an abundant number, since it is smaller than the sum of its proper divisors (2190623038828).

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

2111121000212 is a wasteful number, since it uses less digits than its factorization.

2111121000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362752 (or 2362750 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2111121000212 its reverse (2120001211112), we get a palindrome (4231122211324).

The spelling of 2111121000212 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, two hundred twelve", and thus it is an aban number.