11112121202 has 64 divisors (see below), whose sum is σ = 20871648000. Its totient is φ = 4320172800.

The previous prime is 11112121201. The next prime is 11112121219. The reversal of 11112121202 is 20212121111.

It is a super-3 number, since 3×11112121202³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (11112121201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2552924 + ... + 2557272.

It is an arithmetic number, because the mean of its divisors is an integer number (326119500).

Almost surely, 2^11112121202 is an apocalyptic number.

11112121202 is a deficient number, since it is larger than the sum of its proper divisors (9759526798).

11112121202 is a wasteful number, since it uses less digits than its factorization.

11112121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11112121202 its reverse (20212121111), we get a palindrome (31324242313).

Subtracting 11112121202 from its reverse (20212121111), we obtain a palindrome (9099999909).

The spelling of 11112121202 in words is "eleven billion, one hundred twelve million, one hundred twenty-one thousand, two hundred two".