21120011020010 has 16 divisors (see below), whose sum is σ = 43446879812736. Its totient is φ = 7241146635408.

The previous prime is 21120011020007. The next prime is 21120011020061. The reversal of 21120011020010 is 1002011002112.

It is a super-3 number, since 3×21120011020010³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21120011019973 and 21120011020000.

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, 150857221502 + ... + 150857221641.

It is an arithmetic number, because the mean of its divisors is an integer number (2715429988296).

Almost surely, 2^{21120011020010} is an apocalyptic number.

21120011020010 is an abundant number, since it is smaller than the sum of its proper divisors (22326868792726).

21120011020010 is a wasteful number, since it uses less digits than its factorization.

21120011020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301714443157.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21120011020010 its reverse (1002011002112), we get a palindrome (22122022022122).

The spelling of 21120011020010 in words is "twenty-one trillion, one hundred twenty billion, eleven million, twenty thousand, ten".