2102152543126 has 8 divisors (see below), whose sum is σ = 3238451215200. Its totient is φ = 1022668804728.

The previous prime is 2102152543123. The next prime is 2102152543189. The reversal of 2102152543126 is 6213452512012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2102152543126² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102152543091 and 2102152543100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102152543123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14203733326 + ... + 14203733473.

It is an arithmetic number, because the mean of its divisors is an integer number (404806401900).

Almost surely, 2^{2102152543126} is an apocalyptic number.

2102152543126 is a deficient number, since it is larger than the sum of its proper divisors (1136298672074).

2102152543126 is a wasteful number, since it uses less digits than its factorization.

2102152543126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28407466838.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 2102152543126 in words is "two trillion, one hundred two billion, one hundred fifty-two million, five hundred forty-three thousand, one hundred twenty-six".