210101120010 has 24 divisors (see below), whose sum is σ = 546262912260. Its totient is φ = 56026965312.

The previous prime is 210101119981. The next prime is 210101120027. The reversal of 210101120010 is 10021101012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 191247907761 + 18853212249 = 437319^2 + 137307^2 .

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 = 210101119974 and 210101120001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1167228355 + ... + 1167228534.

Almost surely, 2^210101120010 is an apocalyptic number.

210101120010 is an abundant number, since it is smaller than the sum of its proper divisors (336161792250).

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

210101120010 is a wasteful number, since it uses less digits than its factorization.

210101120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334456902 (or 2334456899 counting only the distinct ones).

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

Adding to 210101120010 its reverse (10021101012), we get a palindrome (220122221022).

The spelling of 210101120010 in words is "two hundred ten billion, one hundred one million, one hundred twenty thousand, ten".