2161150051224 has 32 divisors (see below), whose sum is σ = 5416348656240. Its totient is φ = 718586880000.

The previous prime is 2161150051163. The next prime is 2161150051243. The reversal of 2161150051224 is 4221500511612.

It is a junction number, because it is equal to n+sod(n) for n = 2161150051191 and 2161150051200.

It is a congruent number.

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, 112269577 + ... + 112288824.

Almost surely, 2^{2161150051224} is an apocalyptic number.

2161150051224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2161150051224 is an abundant number, since it is smaller than the sum of its proper divisors (3255198605016).

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

2161150051224 is a wasteful number, since it uses less digits than its factorization.

2161150051224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224558811 (or 224558807 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 2161150051224 its reverse (4221500511612), we get a palindrome (6382650562836).

The spelling of 2161150051224 in words is "two trillion, one hundred sixty-one billion, one hundred fifty million, fifty-one thousand, two hundred twenty-four".