10210101240 has 32 divisors (see below), whose sum is σ = 30630304080. Its totient is φ = 2722693632.

The previous prime is 10210101227. The next prime is 10210101287. The reversal of 10210101240 is 4210101201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42541969 + ... + 42542208.

Almost surely, 2^10210101240 is an apocalyptic number.

10210101240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210101240 is an abundant number, since it is smaller than the sum of its proper divisors (20420202840).

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

10210101240 is a wasteful number, since it uses less digits than its factorization.

10210101240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85084191 (or 85084187 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10210101240 its reverse (4210101201), we get a palindrome (14420202441).

The spelling of 10210101240 in words is "ten billion, two hundred ten million, one hundred one thousand, two hundred forty".