101001020100210 has 64 divisors (see below), whose sum is σ = 271719558581760. Its totient is φ = 26695254862080.

The previous prime is 101001020100163. The next prime is 101001020100301. The reversal of 101001020100210 is 12001020100101.

It is a happy number.

It is a super-2 number, since 2×101001020100210² (a number of 29 digits) contains 22 as substring.

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 = 101001020100192 and 101001020100201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1655181226 + ... + 1655242245.

It is an arithmetic number, because the mean of its divisors is an integer number (4245618102840).

Almost surely, 2^{101001020100210} is an apocalyptic number.

101001020100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101001020100210 is an abundant number, since it is smaller than the sum of its proper divisors (170718538481550).

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

101001020100210 is a wasteful number, since it uses less digits than its factorization.

101001020100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310423600 (or 3310423594 counting only the distinct ones).

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

Adding to 101001020100210 its reverse (12001020100101), we get a palindrome (113002040200311).

The spelling of 101001020100210 in words is "one hundred one trillion, one billion, twenty million, one hundred thousand, two hundred ten".