210012122101111 has 24 divisors (see below), whose sum is σ = 241958195280000. Its totient is φ = 180751017419280.

The previous prime is 210012122101091. The next prime is 210012122101121. The reversal of 210012122101111 is 111101221210012.

It is not a de Polignac number, because 210012122101111 - 2¹³ = 210012122092919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012122101121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11688051 + ... + 23593108.

It is an arithmetic number, because the mean of its divisors is an integer number (10081591470000).

Almost surely, 2^{210012122101111} is an apocalyptic number.

210012122101111 is a deficient number, since it is larger than the sum of its proper divisors (31946073178889).

210012122101111 is a wasteful number, since it uses less digits than its factorization.

210012122101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35282707 (or 35282688 counting only the distinct ones).

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

Adding to 210012122101111 its reverse (111101221210012), we get a palindrome (321113343311123).

The spelling of 210012122101111 in words is "two hundred ten trillion, twelve billion, one hundred twenty-two million, one hundred one thousand, one hundred eleven".