10212111011020 has 12 divisors (see below), whose sum is σ = 21445433123184. Its totient is φ = 4084844404400.

The previous prime is 10212111010999. The next prime is 10212111011117. The reversal of 10212111011020 is 2011011121201.

It is a happy number.

It is a super-2 number, since 2×10212111011020² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255302775256 + ... + 255302775295.

It is an arithmetic number, because the mean of its divisors is an integer number (1787119426932).

Almost surely, 2^{10212111011020} is an apocalyptic number.

10212111011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212111011020 is an abundant number, since it is smaller than the sum of its proper divisors (11233322112164).

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

10212111011020 is a wasteful number, since it uses less digits than its factorization.

10212111011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510605550560 (or 510605550558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10212111011020 its reverse (2011011121201), we get a palindrome (12223122132221).

The spelling of 10212111011020 in words is "ten trillion, two hundred twelve billion, one hundred eleven million, eleven thousand, twenty".