2220100111121 has 8 divisors (see below), whose sum is σ = 2227234307904. Its totient is φ = 2212968486960.

The previous prime is 2220100111057. The next prime is 2220100111153. The reversal of 2220100111121 is 1211110010222.

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

It is a cyclic number.

It is not a de Polignac number, because 2220100111121 - 2⁶ = 2220100111057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220100111096 and 2220100111105.

It is not an unprimeable number, because it can be changed into a prime (2220100111181) 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, 1093076 + ... + 2373818.

It is an arithmetic number, because the mean of its divisors is an integer number (278404288488).

Almost surely, 2^{2220100111121} is an apocalyptic number.

It is an amenable number.

2220100111121 is a deficient number, since it is larger than the sum of its proper divisors (7134196783).

2220100111121 is a wasteful number, since it uses less digits than its factorization.

2220100111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286311.

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

Adding to 2220100111121 its reverse (1211110010222), we get a palindrome (3431210121343).

The spelling of 2220100111121 in words is "two trillion, two hundred twenty billion, one hundred million, one hundred eleven thousand, one hundred twenty-one".