1122100210021 has 8 divisors (see below), whose sum is σ = 1282426611840. Its totient is φ = 961780401168.

The previous prime is 1122100210013. The next prime is 1122100210027. The reversal of 1122100210021 is 1200120012211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122100210021 - 2³ = 1122100210013 is a prime.

It is a Duffinian number.

1122100210021 is a modest number, since divided by 210021 gives 11221 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1122100209983 and 1122100210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122100210027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277986 + ... + 1969123.

It is an arithmetic number, because the mean of its divisors is an integer number (160303326480).

Almost surely, 2^{1122100210021} is an apocalyptic number.

It is an amenable number.

1122100210021 is a deficient number, since it is larger than the sum of its proper divisors (160326401819).

1122100210021 is an equidigital number, since it uses as much as digits as its factorization.

1122100210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296483.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1122100210021 its reverse (1200120012211), we get a palindrome (2322220222232).

The spelling of 1122100210021 in words is "one trillion, one hundred twenty-two billion, one hundred million, two hundred ten thousand, twenty-one".