2011020221012 has 24 divisors (see below), whose sum is σ = 3873195833472. Its totient is φ = 906010716800.

The previous prime is 2011020220991. The next prime is 2011020221029. The reversal of 2011020221012 is 2101220201102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202229564 + ... + 202239507.

It is an arithmetic number, because the mean of its divisors is an integer number (161383159728).

Almost surely, 2^{2011020221012} is an apocalyptic number.

2011020221012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2011020221012 is a deficient number, since it is larger than the sum of its proper divisors (1862175612460).

2011020221012 is a wasteful number, since it uses less digits than its factorization.

2011020221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404469199 (or 404469197 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011020221012 its reverse (2101220201102), we get a palindrome (4112240422114).

The spelling of 2011020221012 in words is "two trillion, eleven billion, twenty million, two hundred twenty-one thousand, twelve".