111010221002 has 4 divisors (see below), whose sum is σ = 166515331506. Its totient is φ = 55505110500.

The previous prime is 111010220989. The next prime is 111010221011. The reversal of 111010221002 is 200122010111.

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., 63842634241 + 47167586761 = 252671^2 + 217181^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752555249 + ... + 27752555252.

Almost surely, 2^111010221002 is an apocalyptic number.

111010221002 is a deficient number, since it is larger than the sum of its proper divisors (55505110504).

111010221002 is an equidigital number, since it uses as much as digits as its factorization.

111010221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55505110503.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111010221002 its reverse (200122010111), we get a palindrome (311132231113).

The spelling of 111010221002 in words is "one hundred eleven billion, ten million, two hundred twenty-one thousand, two".