121101002210121 has 8 divisors (see below), whose sum is σ = 165832003026624. Its totient is φ = 78552001433520.

The previous prime is 121101002210101. The next prime is 121101002210129. The reversal of 121101002210121 is 121012200101121.

It is a happy number.

121101002210121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 121101002210121 - 2¹⁴ = 121101002193737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121101002210121.

It is not an unprimeable number, because it can be changed into a prime (121101002210129) 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, 545500009845 + ... + 545500010066.

It is an arithmetic number, because the mean of its divisors is an integer number (20729000378328).

Almost surely, 2^{121101002210121} is an apocalyptic number.

It is an amenable number.

121101002210121 is a deficient number, since it is larger than the sum of its proper divisors (44731000816503).

121101002210121 is a wasteful number, since it uses less digits than its factorization.

121101002210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091000019951.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121101002210121 its reverse (121012200101121), we get a palindrome (242113202311242).

The spelling of 121101002210121 in words is "one hundred twenty-one trillion, one hundred one billion, two million, two hundred ten thousand, one hundred twenty-one".