21120020211010 has 16 divisors (see below), whose sum is σ = 43446898719936. Its totient is φ = 7241149786608.

The previous prime is 21120020211001. The next prime is 21120020211047. The reversal of 21120020211010 is 1011202002112.

It is a super-3 number, since 3×21120020211010³ (a number of 41 digits) contains 333 as substring.

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, 150857287152 + ... + 150857287291.

It is an arithmetic number, because the mean of its divisors is an integer number (2715431169996).

Almost surely, 2^{21120020211010} is an apocalyptic number.

21120020211010 is an abundant number, since it is smaller than the sum of its proper divisors (22326878508926).

21120020211010 is a wasteful number, since it uses less digits than its factorization.

21120020211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301714574457.

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

Adding to 21120020211010 its reverse (1011202002112), we get a palindrome (22131222213122).

The spelling of 21120020211010 in words is "twenty-one trillion, one hundred twenty billion, twenty million, two hundred eleven thousand, ten".