211020000210122 has 4 divisors (see below), whose sum is σ = 316530000315186. Its totient is φ = 105510000105060.

The previous prime is 211020000210121. The next prime is 211020000210133. The reversal of 211020000210122 is 221012000020112.

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., 148778298795841 + 62241701414281 = 12197471^2 + 7889341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211020000210097 and 211020000210106.

It is not an unprimeable number, because it can be changed into a prime (211020000210121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52755000052529 + ... + 52755000052532.

Almost surely, 2^{211020000210122} is an apocalyptic number.

211020000210122 is a deficient number, since it is larger than the sum of its proper divisors (105510000105064).

211020000210122 is a wasteful number, since it uses less digits than its factorization.

211020000210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105510000105063.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211020000210122 its reverse (221012000020112), we get a palindrome (432032000230234).

The spelling of 211020000210122 in words is "two hundred eleven trillion, twenty billion, two hundred ten thousand, one hundred twenty-two".