210101101012220 has 48 divisors (see below), whose sum is σ = 487915981566048. Its totient is φ = 75353819535360.

The previous prime is 210101101012217. The next prime is 210101101012333. The reversal of 210101101012220 is 22210101101012.

It is a junction number, because it is equal to n+sod(n) for n = 210101101012195 and 210101101012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6541114109 + ... + 6541146228.

It is an arithmetic number, because the mean of its divisors is an integer number (10164916282626).

Almost surely, 2^{210101101012220} is an apocalyptic number.

210101101012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210101101012220 is an abundant number, since it is smaller than the sum of its proper divisors (277814880553828).

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

210101101012220 is a wasteful number, since it uses less digits than its factorization.

210101101012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13082260430 (or 13082260428 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210101101012220 its reverse (22210101101012), we get a palindrome (232311202113232).

The spelling of 210101101012220 in words is "two hundred ten trillion, one hundred one billion, one hundred one million, twelve thousand, two hundred twenty".