210011011022142 has 48 divisors (see below), whose sum is σ = 496396335502080. Its totient is φ = 63638844786000.

The previous prime is 210011011022051. The next prime is 210011011022143. The reversal of 210011011022142 is 241220110110012.

It is a super-2 number, since 2×210011011022142² (a number of 29 digits) contains 22 as substring.

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 (210011011022143) 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, 7714267 + ... + 21898217.

It is an arithmetic number, because the mean of its divisors is an integer number (10341590322960).

Almost surely, 2^{210011011022142} is an apocalyptic number.

210011011022142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210011011022142 is an abundant number, since it is smaller than the sum of its proper divisors (286385324479938).

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

210011011022142 is a wasteful number, since it uses less digits than its factorization.

210011011022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14258749 (or 14258746 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210011011022142 its reverse (241220110110012), we get a palindrome (451231121132154).

The spelling of 210011011022142 in words is "two hundred ten trillion, eleven billion, eleven million, twenty-two thousand, one hundred forty-two".