11111222101102 has 8 divisors (see below), whose sum is σ = 16687133803512. Its totient is φ = 5548844166600.

The previous prime is 11111222101081. The next prime is 11111222101181. The reversal of 11111222101102 is 20110122211111.

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

It is a super-2 number, since 2×11111222101102² (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 3 ways as a sum of consecutive naturals, for example, 3383439924 + ... + 3383443207.

It is an arithmetic number, because the mean of its divisors is an integer number (2085891725439).

Almost surely, 2^{11111222101102} is an apocalyptic number.

11111222101102 is a deficient number, since it is larger than the sum of its proper divisors (5575911702410).

11111222101102 is an equidigital number, since it uses as much as digits as its factorization.

11111222101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766883954.

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

Adding to 11111222101102 its reverse (20110122211111), we get a palindrome (31221344312213).

The spelling of 11111222101102 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-two million, one hundred one thousand, one hundred two".