210122110010011 has 4 divisors (see below), whose sum is σ = 210125707002712. Its totient is φ = 210118513017312.

The previous prime is 210122110010009. The next prime is 210122110010023. The reversal of 210122110010011 is 110010011221012.

It is a happy number.

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 210122110010011 - 2¹ = 210122110010009 is a prime.

It is a super-2 number, since 2×210122110010011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210122110009973 and 210122110010000.

It is not an unprimeable number, because it can be changed into a prime (210122110019011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798408725 + ... + 1798525558.

It is an arithmetic number, because the mean of its divisors is an integer number (52531426750678).

Almost surely, 2^{210122110010011} is an apocalyptic number.

210122110010011 is a deficient number, since it is larger than the sum of its proper divisors (3596992701).

210122110010011 is an equidigital number, since it uses as much as digits as its factorization.

210122110010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596992700.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210122110010011 its reverse (110010011221012), we get a palindrome (320132121231023).

The spelling of 210122110010011 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred ten million, ten thousand, eleven".