10001221101102 has 64 divisors (see below), whose sum is σ = 24938471061504. Its totient is φ = 2597682131040.

The previous prime is 10001221101097. The next prime is 10001221101163. The reversal of 10001221101102 is 20110112210001.

It is a super-2 number, since 2×10001221101102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47278573 + ... + 47489639.

It is an arithmetic number, because the mean of its divisors is an integer number (389663610336).

Almost surely, 2^{10001221101102} is an apocalyptic number.

10001221101102 is an abundant number, since it is smaller than the sum of its proper divisors (14937249960402).

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

10001221101102 is a wasteful number, since it uses less digits than its factorization.

10001221101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313653.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10001221101102 its reverse (20110112210001), we get a palindrome (30111333311103).

The spelling of 10001221101102 in words is "ten trillion, one billion, two hundred twenty-one million, one hundred one thousand, one hundred two".