2106261421143 has 48 divisors (see below), whose sum is σ = 3192048978048. Its totient is φ = 1233742910400.

The previous prime is 2106261421123. The next prime is 2106261421151. The reversal of 2106261421143 is 3411241626012.

It is a happy number.

It is not a de Polignac number, because 2106261421143 - 2²⁴ = 2106244643927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106261421123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 472008 + ... + 2106018.

It is an arithmetic number, because the mean of its divisors is an integer number (66501020376).

Almost surely, 2^{2106261421143} is an apocalyptic number.

2106261421143 is a deficient number, since it is larger than the sum of its proper divisors (1085787556905).

2106261421143 is a wasteful number, since it uses less digits than its factorization.

2106261421143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634156 (or 1634145 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 2106261421143 in words is "two trillion, one hundred six billion, two hundred sixty-one million, four hundred twenty-one thousand, one hundred forty-three".