11221211011202 has 4 divisors (see below), whose sum is σ = 16831816516806. Its totient is φ = 5610605505600.

The previous prime is 11221211011177. The next prime is 11221211011211. The reversal of 11221211011202 is 20211011212211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10369372462801 + 851838548401 = 3220151^2 + 922951^2 .

It is a super-2 number, since 2×11221211011202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805302752799 + ... + 2805302752802.

Almost surely, 2^{11221211011202} is an apocalyptic number.

11221211011202 is a deficient number, since it is larger than the sum of its proper divisors (5610605505604).

11221211011202 is an equidigital number, since it uses as much as digits as its factorization.

11221211011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610605505603.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11221211011202 its reverse (20211011212211), we get a palindrome (31432222223413).

The spelling of 11221211011202 in words is "eleven trillion, two hundred twenty-one billion, two hundred eleven million, eleven thousand, two hundred two".