210001120022011 has 4 divisors (see below), whose sum is σ = 210002685448024. Its totient is φ = 209999554596000.

The previous prime is 210001120022003. The next prime is 210001120022059. The reversal of 210001120022011 is 110220021100012.

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

It is a cyclic number.

It is not a de Polignac number, because 210001120022011 - 2³ = 210001120022003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210001120021982 and 210001120022000.

It is not an unprimeable number, because it can be changed into a prime (210001120022311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782511765 + ... + 782780086.

It is an arithmetic number, because the mean of its divisors is an integer number (52500671362006).

Almost surely, 2^{210001120022011} is an apocalyptic number.

210001120022011 is a deficient number, since it is larger than the sum of its proper divisors (1565426013).

210001120022011 is a wasteful number, since it uses less digits than its factorization.

210001120022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565426012.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210001120022011 its reverse (110220021100012), we get a palindrome (320221141122023).

The spelling of 210001120022011 in words is "two hundred ten trillion, one billion, one hundred twenty million, twenty-two thousand, eleven".