210211101101142 has 96 divisors (see below), whose sum is σ = 500290722846720. Its totient is φ = 63494080848000.

The previous prime is 210211101101101. The next prime is 210211101101143. The reversal of 210211101101142 is 241101101112012.

210211101101142 is a `hidden beast` number, since 210 + 211 + 1 + 0 + 1 + 101 + 142 = 666.

210211101101142 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210211101101143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 236614267 + ... + 237501017.

It is an arithmetic number, because the mean of its divisors is an integer number (5211361696320).

Almost surely, 2^{210211101101142} is an apocalyptic number.

210211101101142 is an abundant number, since it is smaller than the sum of its proper divisors (290079621745578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210211101101142 is a wasteful number, since it uses less digits than its factorization.

210211101101142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916938 (or 916935 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 210211101101142 its reverse (241101101112012), we get a palindrome (451312202213154).

The spelling of 210211101101142 in words is "two hundred ten trillion, two hundred eleven billion, one hundred one million, one hundred one thousand, one hundred forty-two".