20102122111010 has 8 divisors (see below), whose sum is σ = 36183819799836. Its totient is φ = 8040848844400.

The previous prime is 20102122111007. The next prime is 20102122111037. The reversal of 20102122111010 is 1011122120102.

It can be written as a sum of positive squares in 2 ways, for example, as 20101386670849 + 735440161 = 4483457^2 + 27119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005106105541 + ... + 1005106105560.

Almost surely, 2^{20102122111010} is an apocalyptic number.

20102122111010 is a deficient number, since it is larger than the sum of its proper divisors (16081697688826).

20102122111010 is a wasteful number, since it uses less digits than its factorization.

20102122111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010212211108.

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

Adding to 20102122111010 its reverse (1011122120102), we get a palindrome (21113244231112).

The spelling of 20102122111010 in words is "twenty trillion, one hundred two billion, one hundred twenty-two million, one hundred eleven thousand, ten".