20012122111010 has 32 divisors (see below), whose sum is σ = 38159219154240. Its totient is φ = 7535238190272.

The previous prime is 20012122111001. The next prime is 20012122111021. The reversal of 20012122111010 is 1011122121002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335406344 + ... + 335466003.

It is an arithmetic number, because the mean of its divisors is an integer number (1192475598570).

Almost surely, 2^{20012122111010} is an apocalyptic number.

20012122111010 is a deficient number, since it is larger than the sum of its proper divisors (18147097043230).

20012122111010 is a wasteful number, since it uses less digits than its factorization.

20012122111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670872530.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20012122111010 its reverse (1011122121002), we get a palindrome (21023244232012).

The spelling of 20012122111010 in words is "twenty trillion, twelve billion, one hundred twenty-two million, one hundred eleven thousand, ten".