20120210111010 has 64 divisors (see below), whose sum is σ = 49317505247232. Its totient is φ = 5251063263936.

The previous prime is 20120210110993. The next prime is 20120210111059. The reversal of 20120210111010 is 1011101202102.

It is a super-2 number, since 2×20120210111010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47088589 + ... + 47513951.

It is an arithmetic number, because the mean of its divisors is an integer number (770586019488).

Almost surely, 2^{20120210111010} is an apocalyptic number.

20120210111010 is an abundant number, since it is smaller than the sum of its proper divisors (29197295136222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20120210111010 is a wasteful number, since it uses less digits than its factorization.

20120210111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458967.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20120210111010 its reverse (1011101202102), we get a palindrome (21131311313112).

The spelling of 20120210111010 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, one hundred eleven thousand, ten".