2141212155 has 8 divisors (see below), whose sum is σ = 3425939472. Its totient is φ = 1141979808.

The previous prime is 2141212147. The next prime is 2141212193. The reversal of 2141212155 is 5512121412.

It is a happy number.

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

It is not a de Polignac number, because 2141212155 - 2³ = 2141212147 is a prime.

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, 71373724 + ... + 71373753.

It is an arithmetic number, because the mean of its divisors is an integer number (428242434).

Almost surely, 2^2141212155 is an apocalyptic number.

2141212155 is a deficient number, since it is larger than the sum of its proper divisors (1284727317).

2141212155 is a wasteful number, since it uses less digits than its factorization.

2141212155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142747485.

The product of its digits is 800, while the sum is 24.

The square root of 2141212155 is about 46273.2336777969. The cubic root of 2141212155 is about 1288.9020072307.

Adding to 2141212155 its reverse (5512121412), we get a palindrome (7653333567).

The spelling of 2141212155 in words is "two billion, one hundred forty-one million, two hundred twelve thousand, one hundred fifty-five".