201231121311119 has 4 divisors (see below), whose sum is σ = 213068246094144. Its totient is φ = 189393996528096.

The previous prime is 201231121311113. The next prime is 201231121311149. The reversal of 201231121311119 is 911113121132102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201231121311119 - 2¹² = 201231121307023 is a prime.

It is a super-2 number, since 2×201231121311119² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201231121311091 and 201231121311100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201231121311113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5918562391487 + ... + 5918562391520.

It is an arithmetic number, because the mean of its divisors is an integer number (53267061523536).

Almost surely, 2^{201231121311119} is an apocalyptic number.

201231121311119 is a deficient number, since it is larger than the sum of its proper divisors (11837124783025).

201231121311119 is a wasteful number, since it uses less digits than its factorization.

201231121311119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11837124783024.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 201231121311119 in words is "two hundred one trillion, two hundred thirty-one billion, one hundred twenty-one million, three hundred eleven thousand, one hundred nineteen".