210020233123011 has 8 divisors (see below), whose sum is σ = 286539232788160. Its totient is φ = 136757361103272.

The previous prime is 210020233123003. The next prime is 210020233123073. The reversal of 210020233123011 is 110321332020012.

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

It is not a de Polignac number, because 210020233123011 - 2³ = 210020233123003 is a prime.

It is a super-2 number, since 2×210020233123011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210020233123411) 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, 814031911201 + ... + 814031911458.

It is an arithmetic number, because the mean of its divisors is an integer number (35817404098520).

Almost surely, 2^{210020233123011} is an apocalyptic number.

210020233123011 is a deficient number, since it is larger than the sum of its proper divisors (76518999665149).

210020233123011 is a wasteful number, since it uses less digits than its factorization.

210020233123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628063822705.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 210020233123011 its reverse (110321332020012), we get a palindrome (320341565143023).

The spelling of 210020233123011 in words is "two hundred ten trillion, twenty billion, two hundred thirty-three million, one hundred twenty-three thousand, eleven".