2221020112102 has 64 divisors (see below), whose sum is σ = 3802634035200. Its totient is φ = 963929746080.

The previous prime is 2221020112019. The next prime is 2221020112109. The reversal of 2221020112102 is 2012110201222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221020112109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37273849 + ... + 37333387.

It is an arithmetic number, because the mean of its divisors is an integer number (59416156800).

Almost surely, 2^{2221020112102} is an apocalyptic number.

2221020112102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221020112102 is a deficient number, since it is larger than the sum of its proper divisors (1581613923098).

2221020112102 is a wasteful number, since it uses less digits than its factorization.

2221020112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60481.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221020112102 its reverse (2012110201222), we get a palindrome (4233130313324).

The spelling of 2221020112102 in words is "two trillion, two hundred twenty-one billion, twenty million, one hundred twelve thousand, one hundred two".