101101020210 has 64 divisors (see below), whose sum is σ = 269722252800. Its totient is φ = 26948318976.

The previous prime is 101101020199. The next prime is 101101020211. The reversal of 101101020210 is 12020101101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101101020192 and 101101020201.

It is not an unprimeable number, because it can be changed into a prime (101101020211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535626 + ... + 699354.

It is an arithmetic number, because the mean of its divisors is an integer number (4214410200).

Almost surely, 2^101101020210 is an apocalyptic number.

101101020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101101020210 is an abundant number, since it is smaller than the sum of its proper divisors (168621232590).

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

101101020210 is a wasteful number, since it uses less digits than its factorization.

101101020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166032 (or 166026 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101101020210 its reverse (12020101101), we get a palindrome (113121121311).

The spelling of 101101020210 in words is "one hundred one billion, one hundred one million, twenty thousand, two hundred ten".