211021110303034 has 4 divisors (see below), whose sum is σ = 316531665454554. Its totient is φ = 105510555151516.

The previous prime is 211021110303019. The next prime is 211021110303061. The reversal of 211021110303034 is 430303011120112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 141711239488009 + 69309870815025 = 11904253^2 + 8325255^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211021110302996 and 211021110303014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52755277575757 + ... + 52755277575760.

Almost surely, 2^{211021110303034} is an apocalyptic number.

211021110303034 is a deficient number, since it is larger than the sum of its proper divisors (105510555151520).

211021110303034 is a wasteful number, since it uses less digits than its factorization.

211021110303034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105510555151519.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 211021110303034 its reverse (430303011120112), we get a palindrome (641324121423146).

The spelling of 211021110303034 in words is "two hundred eleven trillion, twenty-one billion, one hundred ten million, three hundred three thousand, thirty-four".