2134202021112 has 96 divisors (see below), whose sum is σ = 6357988743120. Its totient is φ = 594899504640.

The previous prime is 2134202021111. The next prime is 2134202021117. The reversal of 2134202021112 is 2111202024312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134202021111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22083463 + ... + 22179894.

Almost surely, 2^{2134202021112} is an apocalyptic number.

It is an amenable number.

2134202021112 is an abundant number, since it is smaller than the sum of its proper divisors (4223786722008).

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

2134202021112 is a wasteful number, since it uses less digits than its factorization.

2134202021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44263421 (or 44263410 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2134202021112 its reverse (2111202024312), we get a palindrome (4245404045424).

The spelling of 2134202021112 in words is "two trillion, one hundred thirty-four billion, two hundred two million, twenty-one thousand, one hundred twelve".