121001122101 has 8 divisors (see below), whose sum is σ = 161353604160. Its totient is φ = 80658027392.

The previous prime is 121001122097. The next prime is 121001122117. The reversal of 121001122101 is 101221100121.

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 121001122101 - 2² = 121001122097 is a prime.

It is a super-2 number, since 2×121001122101² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001122171) 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, 2316705 + ... + 2368358.

It is an arithmetic number, because the mean of its divisors is an integer number (20169200520).

Almost surely, 2^121001122101 is an apocalyptic number.

It is an amenable number.

121001122101 is a deficient number, since it is larger than the sum of its proper divisors (40352482059).

121001122101 is an equidigital number, since it uses as much as digits as its factorization.

121001122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693675.

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

Adding to 121001122101 its reverse (101221100121), we get a palindrome (222222222222).

The spelling of 121001122101 in words is "one hundred twenty-one billion, one million, one hundred twenty-two thousand, one hundred one".