121101383051 has 4 divisors (see below), whose sum is σ = 132110599704. Its totient is φ = 110092166400.

The previous prime is 121101383047. The next prime is 121101383059. The reversal of 121101383051 is 150383101121.

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 121101383051 - 2² = 121101383047 is a prime.

It is a super-3 number, since 3×121101383051³ (a number of 34 digits) contains 333 as substring.

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 121101383051.

It is not an unprimeable number, because it can be changed into a prime (121101383059) 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, 5504608310 + ... + 5504608331.

It is an arithmetic number, because the mean of its divisors is an integer number (33027649926).

Almost surely, 2^121101383051 is an apocalyptic number.

121101383051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121101383051 is a deficient number, since it is larger than the sum of its proper divisors (11009216653).

121101383051 is a wasteful number, since it uses less digits than its factorization.

121101383051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11009216652.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 121101383051 its reverse (150383101121), we get a palindrome (271484484172).

The spelling of 121101383051 in words is "one hundred twenty-one billion, one hundred one million, three hundred eighty-three thousand, fifty-one".