201122110101121 has 16 divisors (see below), whose sum is σ = 219527268062400. Its totient is φ = 182737198667520.

The previous prime is 201122110101109. The next prime is 201122110101137. The reversal of 201122110101121 is 121101011221102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201122110101121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201122110101095 and 201122110101104.

It is not an unprimeable number, because it can be changed into a prime (201122110104121) 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, 161996106 + ... + 163232908.

It is an arithmetic number, because the mean of its divisors is an integer number (13720454253900).

Almost surely, 2^{201122110101121} is an apocalyptic number.

It is an amenable number.

201122110101121 is a deficient number, since it is larger than the sum of its proper divisors (18405157961279).

201122110101121 is a wasteful number, since it uses less digits than its factorization.

201122110101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244976.

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

Adding to 201122110101121 its reverse (121101011221102), we get a palindrome (322223121322223).

The spelling of 201122110101121 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred ten million, one hundred one thousand, one hundred twenty-one".