2121120201101 has 8 divisors (see below), whose sum is σ = 2314074739008. Its totient is φ = 1928186568000.

The previous prime is 2121120201077. The next prime is 2121120201127. The reversal of 2121120201101 is 1011020211212.

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

It is not a de Polignac number, because 2121120201101 - 2²² = 2121116006797 is a prime.

It is a super-2 number, since 2×2121120201101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121020201101) 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, 5013665 + ... + 5420246.

It is an arithmetic number, because the mean of its divisors is an integer number (289259342376).

Almost surely, 2^{2121120201101} is an apocalyptic number.

It is an amenable number.

2121120201101 is a deficient number, since it is larger than the sum of its proper divisors (192954537907).

2121120201101 is a wasteful number, since it uses less digits than its factorization.

2121120201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10452403.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2121120201101 its reverse (1011020211212), we get a palindrome (3132140412313).

The spelling of 2121120201101 in words is "two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred one thousand, one hundred one".