210122112021011 has 8 divisors (see below), whose sum is σ = 210901801165824. Its totient is φ = 209342454720840.

The previous prime is 210122112020963. The next prime is 210122112021103. The reversal of 210122112021011 is 110120211221012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210122112021011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210122112021611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5300936 + ... + 21174138.

It is an arithmetic number, because the mean of its divisors is an integer number (26362725145728).

Almost surely, 2^{210122112021011} is an apocalyptic number.

210122112021011 is a deficient number, since it is larger than the sum of its proper divisors (779689144813).

210122112021011 is a wasteful number, since it uses less digits than its factorization.

210122112021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15922321.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 210122112021011 its reverse (110120211221012), we get a palindrome (320242323242023).

The spelling of 210122112021011 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred twelve million, twenty-one thousand, eleven".