121121200101 has 8 divisors (see below), whose sum is σ = 176176291104. Its totient is φ = 73406787920.

The previous prime is 121121200093. The next prime is 121121200111. The reversal of 121121200101 is 101002121121.

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 121121200101 - 2³ = 121121200093 is a prime.

It is a super-2 number, since 2×121121200101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121200111) 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, 1835169666 + ... + 1835169731.

It is an arithmetic number, because the mean of its divisors is an integer number (22022036388).

Almost surely, 2^121121200101 is an apocalyptic number.

121121200101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121121200101 is a deficient number, since it is larger than the sum of its proper divisors (55055091003).

121121200101 is a wasteful number, since it uses less digits than its factorization.

121121200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670339411.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121121200101 its reverse (101002121121), we get a palindrome (222123321222).

The spelling of 121121200101 in words is "one hundred twenty-one billion, one hundred twenty-one million, two hundred thousand, one hundred one".