11213212102 has 16 divisors (see below), whose sum is σ = 17880375600. Its totient is φ = 5258930400.

The previous prime is 11213212099. The next prime is 11213212169. The reversal of 11213212102 is 20121231211.

It is a super-2 number, since 2×11213212102² (a number of 21 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 7 ways as a sum of consecutive naturals, for example, 1456977 + ... + 1464652.

It is an arithmetic number, because the mean of its divisors is an integer number (1117523475).

Almost surely, 2^11213212102 is an apocalyptic number.

11213212102 is a deficient number, since it is larger than the sum of its proper divisors (6667163498).

11213212102 is a wasteful number, since it uses less digits than its factorization.

11213212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921751.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11213212102 its reverse (20121231211), we get a palindrome (31334443313).

The spelling of 11213212102 in words is "eleven billion, two hundred thirteen million, two hundred twelve thousand, one hundred two".