2112042220140 has 24 divisors (see below), whose sum is σ = 5913718216560. Its totient is φ = 563211258688.

The previous prime is 2112042220129. The next prime is 2112042220153. The reversal of 2112042220140 is 410222402112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17600351775 + ... + 17600351894.

It is an arithmetic number, because the mean of its divisors is an integer number (246404925690).

Almost surely, 2^{2112042220140} is an apocalyptic number.

2112042220140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112042220140 is an abundant number, since it is smaller than the sum of its proper divisors (3801675996420).

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

2112042220140 is a wasteful number, since it uses less digits than its factorization.

2112042220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35200703681 (or 35200703679 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2112042220140 its reverse (410222402112), we get a palindrome (2522264622252).

The spelling of 2112042220140 in words is "two trillion, one hundred twelve billion, forty-two million, two hundred twenty thousand, one hundred forty".