2201000111121 has 16 divisors (see below), whose sum is σ = 3354001977344. Its totient is φ = 1257677956944.

The previous prime is 2201000111087. The next prime is 2201000111131. The reversal of 2201000111121 is 1211110001022.

It is not a de Polignac number, because 2201000111121 - 2¹¹ = 2201000109073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201000111097 and 2201000111106.

It is not an unprimeable number, because it can be changed into a prime (2201000111131) 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, 764641 + ... + 2233086.

It is an arithmetic number, because the mean of its divisors is an integer number (209625123584).

Almost surely, 2^{2201000111121} is an apocalyptic number.

2201000111121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2201000111121 is a deficient number, since it is larger than the sum of its proper divisors (1153001866223).

2201000111121 is a wasteful number, since it uses less digits than its factorization.

2201000111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032700.

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

Adding to 2201000111121 its reverse (1211110001022), we get a palindrome (3412110112143).

The spelling of 2201000111121 in words is "two trillion, two hundred one billion, one hundred eleven thousand, one hundred twenty-one".