121101000102121 has 8 divisors (see below), whose sum is σ = 130416767457984. Its totient is φ = 111785276433360.

The previous prime is 121101000102113. The next prime is 121101000102133. The reversal of 121101000102121 is 121201000101121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121101000102121 - 2³ = 121101000102113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121101000102521) 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, 5047501 + ... + 16360906.

It is an arithmetic number, because the mean of its divisors is an integer number (16302095932248).

Almost surely, 2^{121101000102121} is an apocalyptic number.

It is an amenable number.

121101000102121 is a deficient number, since it is larger than the sum of its proper divisors (9315767355863).

121101000102121 is a wasteful number, since it uses less digits than its factorization.

121101000102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21843551.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121101000102121 its reverse (121201000101121), we get a palindrome (242302000203242).

The spelling of 121101000102121 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred two thousand, one hundred twenty-one".