111212011221002 has 16 divisors (see below), whose sum is σ = 168092047059552. Its totient is φ = 55181331950160.

The previous prime is 111212011220969. The next prime is 111212011221013. The reversal of 111212011221002 is 200122110212111.

It is a super-2 number, since 2×111212011221002² (a number of 29 digits) contains 22 as substring.

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, 93505568 + ... + 94687460.

It is an arithmetic number, because the mean of its divisors is an integer number (10505752941222).

Almost surely, 2^{111212011221002} is an apocalyptic number.

111212011221002 is a deficient number, since it is larger than the sum of its proper divisors (56880035838550).

111212011221002 is a wasteful number, since it uses less digits than its factorization.

111212011221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541173.

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

Adding to 111212011221002 its reverse (200122110212111), we get a palindrome (311334121433113).

The spelling of 111212011221002 in words is "one hundred eleven trillion, two hundred twelve billion, eleven million, two hundred twenty-one thousand, two".