2211201101121 has 8 divisors (see below), whose sum is σ = 2948390156544. Its totient is φ = 1474073056560.

The previous prime is 2211201101117. The next prime is 2211201101173. The reversal of 2211201101121 is 1211011021122.

It is a happy number.

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

It is not a de Polignac number, because 2211201101121 - 2² = 2211201101117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2211201101121.

It is not an unprimeable number, because it can be changed into a prime (2211206101121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15168081 + ... + 15313166.

It is an arithmetic number, because the mean of its divisors is an integer number (368548769568).

Almost surely, 2^{2211201101121} is an apocalyptic number.

It is an amenable number.

2211201101121 is a deficient number, since it is larger than the sum of its proper divisors (737189055423).

2211201101121 is a wasteful number, since it uses less digits than its factorization.

2211201101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30505431.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2211201101121 its reverse (1211011021122), we get a palindrome (3422212122243).

The spelling of 2211201101121 in words is "two trillion, two hundred eleven billion, two hundred one million, one hundred one thousand, one hundred twenty-one".