210001010201010 has 192 divisors, whose sum is σ = 648180341932032. Its totient is φ = 47921150736576.

The previous prime is 210001010200981. The next prime is 210001010201033. The reversal of 210001010201010 is 10102010100012.

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 = 210001010200983 and 210001010201001.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 155599 + ... + 20494541.

It is an arithmetic number, because the mean of its divisors is an integer number (3375939280896).

Almost surely, 2^{210001010201010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210001010201010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324090170966016).

210001010201010 is an abundant number, since it is smaller than the sum of its proper divisors (438179331731022).

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

210001010201010 is a wasteful number, since it uses less digits than its factorization.

210001010201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20339579 (or 20339567 counting only the distinct ones).

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

Adding to 210001010201010 its reverse (10102010100012), we get a palindrome (220103020301022).

The spelling of 210001010201010 in words is "two hundred ten trillion, one billion, ten million, two hundred one thousand, ten".