4221210021102 has 48 divisors (see below), whose sum is σ = 9273577950000. Its totient is φ = 1387571594112.

The previous prime is 4221210021097. The next prime is 4221210021103. The reversal of 4221210021102 is 2011200121224.

4221210021102 is a `hidden beast` number, since 422 + 1 + 210 + 0 + 21 + 10 + 2 = 666.

It is a super-2 number, since 2×4221210021102² (a number of 26 digits) contains 22 as substring.

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 (4221210021103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5288727 + ... + 6034322.

It is an arithmetic number, because the mean of its divisors is an integer number (193199540625).

Almost surely, 2^{4221210021102} is an apocalyptic number.

4221210021102 is an abundant number, since it is smaller than the sum of its proper divisors (5052367928898).

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

4221210021102 is a wasteful number, since it uses less digits than its factorization.

4221210021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11323345 (or 11323342 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 4221210021102 its reverse (2011200121224), we get a palindrome (6232410142326).

The spelling of 4221210021102 in words is "four trillion, two hundred twenty-one billion, two hundred ten million, twenty-one thousand, one hundred two".