10211002120120 has 16 divisors (see below), whose sum is σ = 22974754770360. Its totient is φ = 4084400848032.

The previous prime is 10211002120087. The next prime is 10211002120139. The reversal of 10211002120120 is 2102120011201.

It is a super-3 number, since 3×10211002120120³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10211002120120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127637526462 + ... + 127637526541.

Almost surely, 2^{10211002120120} is an apocalyptic number.

10211002120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211002120120 is an abundant number, since it is smaller than the sum of its proper divisors (12763752650240).

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

10211002120120 is a wasteful number, since it uses less digits than its factorization.

10211002120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255275053014 (or 255275053010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10211002120120 its reverse (2102120011201), we get a palindrome (12313122131321).

The spelling of 10211002120120 in words is "ten trillion, two hundred eleven billion, two million, one hundred twenty thousand, one hundred twenty".