201101211011012 has 18 divisors (see below), whose sum is σ = 381080845127178. Its totient is φ = 92815943543232.

The previous prime is 201101211010969. The next prime is 201101211011021. The reversal of 201101211011012 is 210110112101102.

It can be written as a sum of positive squares in 3 ways, for example, as 4806372214336 + 196294838796676 = 2192344^2 + 14010526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148743498593 + ... + 148743499944.

It is an arithmetic number, because the mean of its divisors is an integer number (21171158062621).

Almost surely, 2^{201101211011012} is an apocalyptic number.

It is an amenable number.

201101211011012 is a deficient number, since it is larger than the sum of its proper divisors (179979634116166).

201101211011012 is a wasteful number, since it uses less digits than its factorization.

201101211011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297486998567 (or 297486998552 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201101211011012 its reverse (210110112101102), we get a palindrome (411211323112114).

The spelling of 201101211011012 in words is "two hundred one trillion, one hundred one billion, two hundred eleven million, eleven thousand, twelve".