1000221121190 has 8 divisors (see below), whose sum is σ = 1800398018160. Its totient is φ = 400088448472.

The previous prime is 1000221121189. The next prime is 1000221121243. The reversal of 1000221121190 is 911211220001.

1000221121190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1000221121190² (a number of 25 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 3 ways as a sum of consecutive naturals, for example, 50011056050 + ... + 50011056069.

It is an arithmetic number, because the mean of its divisors is an integer number (225049752270).

Almost surely, 2^{1000221121190} is an apocalyptic number.

1000221121190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000221121190 is a deficient number, since it is larger than the sum of its proper divisors (800176896970).

1000221121190 is a wasteful number, since it uses less digits than its factorization.

1000221121190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100022112126.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 1000221121190 its reverse (911211220001), we get a palindrome (1911432341191).

The spelling of 1000221121190 in words is "one trillion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred ninety".