201121120201012 has 96 divisors (see below), whose sum is σ = 390158241613056. Its totient is φ = 89953971072000.

The previous prime is 201121120201009. The next prime is 201121120201013. The reversal of 201121120201012 is 210102021121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121120201013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4257679458 + ... + 4257726694.

It is an arithmetic number, because the mean of its divisors is an integer number (4064148350136).

Almost surely, 2^{201121120201012} is an apocalyptic number.

201121120201012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201121120201012 is a deficient number, since it is larger than the sum of its proper divisors (189037121412044).

201121120201012 is a wasteful number, since it uses less digits than its factorization.

201121120201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53257 (or 53255 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201121120201012 its reverse (210102021121102), we get a palindrome (411223141322114).

The spelling of 201121120201012 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twenty million, two hundred one thousand, twelve".