121000211101 has 16 divisors (see below), whose sum is σ = 154536859008. Its totient is φ = 91986220800.

The previous prime is 121000211081. The next prime is 121000211113. The reversal of 121000211101 is 101112000121.

It is a cyclic number.

It is not a de Polignac number, because 121000211101 - 2⁵ = 121000211069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000211141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19160640 + ... + 19166953.

It is an arithmetic number, because the mean of its divisors is an integer number (9658553688).

Almost surely, 2^121000211101 is an apocalyptic number.

121000211101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121000211101 is a deficient number, since it is larger than the sum of its proper divisors (33536647907).

121000211101 is a wasteful number, since it uses less digits than its factorization.

121000211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38327652.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121000211101 its reverse (101112000121), we get a palindrome (222112211222).

The spelling of 121000211101 in words is "one hundred twenty-one billion, two hundred eleven thousand, one hundred one".