10211002120 has 64 divisors (see below), whose sum is σ = 25074619200. Its totient is φ = 3711425280.

The previous prime is 10211002091. The next prime is 10211002121. The reversal of 10211002120 is 2120011201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10211002097 and 10211002106.

It is not an unprimeable number, because it can be changed into a prime (10211002121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1417167 + ... + 1424353.

It is an arithmetic number, because the mean of its divisors is an integer number (391790925).

Almost surely, 2^10211002120 is an apocalyptic number.

10211002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211002120 is an abundant number, since it is smaller than the sum of its proper divisors (14863617080).

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

10211002120 is a wasteful number, since it uses less digits than its factorization.

10211002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10438 (or 10434 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10211002120 its reverse (2120011201), we get a palindrome (12331013321).

The spelling of 10211002120 in words is "ten billion, two hundred eleven million, two thousand, one hundred twenty".