2011001120121 has 8 divisors (see below), whose sum is σ = 3064382659264. Its totient is φ = 1149143497200.

The previous prime is 2011001120113. The next prime is 2011001120131. The reversal of 2011001120121 is 1210211001102.

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

It is not a de Polignac number, because 2011001120121 - 2³ = 2011001120113 is a prime.

It is a super-4 number, since 4×2011001120121⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011001120097 and 2011001120106.

It is not an unprimeable number, because it can be changed into a prime (2011001120131) 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, 47880979030 + ... + 47880979071.

It is an arithmetic number, because the mean of its divisors is an integer number (383047832408).

Almost surely, 2^{2011001120121} is an apocalyptic number.

2011001120121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2011001120121 is a deficient number, since it is larger than the sum of its proper divisors (1053381539143).

2011001120121 is an equidigital number, since it uses as much as digits as its factorization.

2011001120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95761958111.

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

Adding to 2011001120121 its reverse (1210211001102), we get a palindrome (3221212121223).

The spelling of 2011001120121 in words is "two trillion, eleven billion, one million, one hundred twenty thousand, one hundred twenty-one".