20112111001010 has 16 divisors (see below), whose sum is σ = 41373485487936. Its totient is φ = 6895580914608.

The previous prime is 20112111001009. The next prime is 20112111001057. The reversal of 20112111001010 is 1010011121102.

It is a junction number, because it is equal to n+sod(n) for n = 20112111000982 and 20112111001000.

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, 143657935652 + ... + 143657935791.

It is an arithmetic number, because the mean of its divisors is an integer number (2585842842996).

Almost surely, 2^{20112111001010} is an apocalyptic number.

20112111001010 is an abundant number, since it is smaller than the sum of its proper divisors (21261374486926).

20112111001010 is a wasteful number, since it uses less digits than its factorization.

20112111001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287315871457.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20112111001010 its reverse (1010011121102), we get a palindrome (21122122122112).

The spelling of 20112111001010 in words is "twenty trillion, one hundred twelve billion, one hundred eleven million, one thousand, ten".