2102155334 has 8 divisors (see below), whose sum is σ = 3290330160. Its totient is φ = 1005378616.

The previous prime is 2102155313. The next prime is 2102155339. The reversal of 2102155334 is 4335512012.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102155339) 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, 22849469 + ... + 22849560.

It is an arithmetic number, because the mean of its divisors is an integer number (411291270).

Almost surely, 2^2102155334 is an apocalyptic number.

2102155334 is a deficient number, since it is larger than the sum of its proper divisors (1188174826).

2102155334 is a wasteful number, since it uses less digits than its factorization.

2102155334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45699054.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2102155334 is about 45849.2675404962. The cubic root of 2102155334 is about 1281.0171224612.

Adding to 2102155334 its reverse (4335512012), we get a palindrome (6437667346).

The spelling of 2102155334 in words is "two billion, one hundred two million, one hundred fifty-five thousand, three hundred thirty-four".