10210111020 has 96 divisors (see below), whose sum is σ = 32789514240. Its totient is φ = 2634863040.

The previous prime is 10210111013. The next prime is 10210111031. The reversal of 10210111020 is 2011101201.

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 = 10210110993 and 10210111011.

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, 288222 + ... + 321701.

It is an arithmetic number, because the mean of its divisors is an integer number (341557440).

Almost surely, 2^10210111020 is an apocalyptic number.

10210111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210111020 is an abundant number, since it is smaller than the sum of its proper divisors (22579403220).

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

10210111020 is a wasteful number, since it uses less digits than its factorization.

10210111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609972 (or 609964 counting only the distinct ones).

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

Adding to 10210111020 its reverse (2011101201), we get a palindrome (12221212221).

The spelling of 10210111020 in words is "ten billion, two hundred ten million, one hundred eleven thousand, twenty".