20111011002212 has 24 divisors (see below), whose sum is σ = 38782951454016. Its totient is φ = 9066144493728.

The previous prime is 20111011002197. The next prime is 20111011002233. The reversal of 20111011002212 is 21220011011102.

It is a super-2 number, since 2×20111011002212² (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 7 ways as a sum of consecutive naturals, for example, 4497093248 + ... + 4497097719.

It is an arithmetic number, because the mean of its divisors is an integer number (1615956310584).

Almost surely, 2^{20111011002212} is an apocalyptic number.

It is an amenable number.

20111011002212 is a deficient number, since it is larger than the sum of its proper divisors (18671940451804).

20111011002212 is a wasteful number, since it uses less digits than its factorization.

20111011002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8994191027 (or 8994191025 counting only the distinct ones).

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

Adding to 20111011002212 its reverse (21220011011102), we get a palindrome (41331022013314).

The spelling of 20111011002212 in words is "twenty trillion, one hundred eleven billion, eleven million, two thousand, two hundred twelve".