2211010021121 has 8 divisors (see below), whose sum is σ = 2427984516288. Its totient is φ = 1996697790000.

The previous prime is 2211010021097. The next prime is 2211010021133. The reversal of 2211010021121 is 1211200101122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211010021121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211010021096 and 2211010021105.

It is not an unprimeable number, because it can be changed into a prime (2211010021141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665564270 + ... + 665567591.

It is an arithmetic number, because the mean of its divisors is an integer number (303498064536).

Almost surely, 2^{2211010021121} is an apocalyptic number.

It is an amenable number.

2211010021121 is a deficient number, since it is larger than the sum of its proper divisors (216974495167).

2211010021121 is a wasteful number, since it uses less digits than its factorization.

2211010021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331132023.

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

Adding to 2211010021121 its reverse (1211200101122), we get a palindrome (3422210122243).

The spelling of 2211010021121 in words is "two trillion, two hundred eleven billion, ten million, twenty-one thousand, one hundred twenty-one".