121000000101 has 8 divisors (see below), whose sum is σ = 165693693984. Its totient is φ = 78486486480.

The previous prime is 121000000091. The next prime is 121000000111. The reversal of 121000000101 is 101000000121.

It is an interprime number because it is at equal distance from previous prime (121000000091) and next prime (121000000111).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121000000101 - 2¹⁰ = 120999999077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121000000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000000111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545044935 + ... + 545045156.

It is an arithmetic number, because the mean of its divisors is an integer number (20711711748).

Almost surely, 2^121000000101 is an apocalyptic number.

It is an amenable number.

121000000101 is a deficient number, since it is larger than the sum of its proper divisors (44693693883).

121000000101 is a wasteful number, since it uses less digits than its factorization.

121000000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090090131.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 121000000101 its reverse (101000000121), we get a palindrome (222000000222).

The spelling of 121000000101 in words is "one hundred twenty-one billion, one hundred one", and thus it is an aban number.