11221212222102 has 16 divisors (see below), whose sum is σ = 22449431171520. Its totient is φ = 3739236286152.

The previous prime is 11221212222097. The next prime is 11221212222109. The reversal of 11221212222102 is 20122221212211.

It is a super-4 number, since 4×11221212222102⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221212222109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291926152 + ... + 291964587.

It is an arithmetic number, because the mean of its divisors is an integer number (1403089448220).

Almost surely, 2^{11221212222102} is an apocalyptic number.

11221212222102 is an abundant number, since it is smaller than the sum of its proper divisors (11228218949418).

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

11221212222102 is a wasteful number, since it uses less digits than its factorization.

11221212222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583893947.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11221212222102 its reverse (20122221212211), we get a palindrome (31343433434313).

The spelling of 11221212222102 in words is "eleven trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, one hundred two".