2221101121230 has 32 divisors (see below), whose sum is σ = 5922936324000. Its totient is φ = 592293632256.

The previous prime is 2221101121207. The next prime is 2221101121237. The reversal of 2221101121230 is 321211011222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221101121237) 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, 4113149955 + ... + 4113150494.

It is an arithmetic number, because the mean of its divisors is an integer number (185091760125).

Almost surely, 2^{2221101121230} is an apocalyptic number.

2221101121230 is an abundant number, since it is smaller than the sum of its proper divisors (3701835202770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221101121230 is a wasteful number, since it uses less digits than its factorization.

2221101121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8226300465 (or 8226300459 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2221101121230 its reverse (321211011222), we get a palindrome (2542312132452).

The spelling of 2221101121230 in words is "two trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty-one thousand, two hundred thirty".