2111010042420 has 72 divisors (see below), whose sum is σ = 6405036543360. Its totient is φ = 562791887040.

The previous prime is 2111010042367. The next prime is 2111010042467. The reversal of 2111010042420 is 242400101112.

2111010042420 is a `hidden beast` number, since 211 + 1 + 0 + 10 + 0 + 424 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2111010042393 and 2111010042402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 795360 + ... + 2203319.

It is an arithmetic number, because the mean of its divisors is an integer number (88958840880).

Almost surely, 2^{2111010042420} is an apocalyptic number.

2111010042420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111010042420 is an abundant number, since it is smaller than the sum of its proper divisors (4294026500940).

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

2111010042420 is a wasteful number, since it uses less digits than its factorization.

2111010042420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002605 (or 3002600 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2111010042420 its reverse (242400101112), we get a palindrome (2353410143532).

The spelling of 2111010042420 in words is "two trillion, one hundred eleven billion, ten million, forty-two thousand, four hundred twenty".