2100221215234 has 8 divisors (see below), whose sum is σ = 3197351701008. Its totient is φ = 1034437314900.

The previous prime is 2100221215219. The next prime is 2100221215273. The reversal of 2100221215234 is 4325121220012.

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

It is a junction number, because it is equal to n+sod(n) for n = 2100221215199 and 2100221215208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7836646192 + ... + 7836646459.

It is an arithmetic number, because the mean of its divisors is an integer number (399668962626).

Almost surely, 2^{2100221215234} is an apocalyptic number.

2100221215234 is a deficient number, since it is larger than the sum of its proper divisors (1097130485774).

2100221215234 is a wasteful number, since it uses less digits than its factorization.

2100221215234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15673292720.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2100221215234 its reverse (4325121220012), we get a palindrome (6425342435246).

The spelling of 2100221215234 in words is "two trillion, one hundred billion, two hundred twenty-one million, two hundred fifteen thousand, two hundred thirty-four".