201121102119 has 32 divisors (see below), whose sum is σ = 313707271680. Its totient is φ = 112214333952.

The previous prime is 201121102103. The next prime is 201121102129. The reversal of 201121102119 is 911201121102.

It is not a de Polignac number, because 201121102119 - 2⁴ = 201121102103 is a prime.

It is a super-2 number, since 2×201121102119² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 201121102095 and 201121102104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121102129) 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, 2643499 + ... + 2718515.

It is an arithmetic number, because the mean of its divisors is an integer number (9803352240).

Almost surely, 2^201121102119 is an apocalyptic number.

201121102119 is a deficient number, since it is larger than the sum of its proper divisors (112586169561).

201121102119 is a wasteful number, since it uses less digits than its factorization.

201121102119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78039.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 201121102119 in words is "two hundred one billion, one hundred twenty-one million, one hundred two thousand, one hundred nineteen".