201120022101 has 16 divisors (see below), whose sum is σ = 287381844864. Its totient is φ = 124784218944.

The previous prime is 201120022091. The next prime is 201120022121. The reversal of 201120022101 is 101220021102.

It is not a de Polignac number, because 201120022101 - 2⁵ = 201120022069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120022121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39386406 + ... + 39391511.

It is an arithmetic number, because the mean of its divisors is an integer number (17961365304).

Almost surely, 2^201120022101 is an apocalyptic number.

It is an amenable number.

201120022101 is a deficient number, since it is larger than the sum of its proper divisors (86261822763).

201120022101 is a wasteful number, since it uses less digits than its factorization.

201120022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78777980.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201120022101 its reverse (101220021102), we get a palindrome (302340043203).

Subtracting from 201120022101 its reverse (101220021102), we obtain a palindrome (99900000999).

The spelling of 201120022101 in words is "two hundred one billion, one hundred twenty million, twenty-two thousand, one hundred one".