921000001101101 has 16 divisors (see below), whose sum is σ = 975364401930240. Its totient is φ = 867237073461360.

The previous prime is 921000001101091. The next prime is 921000001101121. The reversal of 921000001101101 is 101101100000129.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 921000001101101 - 2¹⁴ = 921000001084717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 921000001101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921000001101121) 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, 169569545 + ... + 174916638.

It is an arithmetic number, because the mean of its divisors is an integer number (60960275120640).

Almost surely, 2^{921000001101101} is an apocalyptic number.

It is an amenable number.

921000001101101 is a deficient number, since it is larger than the sum of its proper divisors (54364400829139).

921000001101101 is a wasteful number, since it uses less digits than its factorization.

921000001101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344487056.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 921000001101101 in words is "nine hundred twenty-one trillion, one million, one hundred one thousand, one hundred one".