1222200101021 has 8 divisors (see below), whose sum is σ = 1275375716160. Its totient is φ = 1169027525952.

The previous prime is 1222200100997. The next prime is 1222200101029. The reversal of 1222200101021 is 1201010022221.

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 1222200101021 - 2³⁰ = 1221126359197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222200100987 and 1222200101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222200101029) 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, 81365 + ... + 1565573.

It is an arithmetic number, because the mean of its divisors is an integer number (159421964520).

Almost surely, 2^{1222200101021} is an apocalyptic number.

It is an amenable number.

1222200101021 is a deficient number, since it is larger than the sum of its proper divisors (53175615139).

1222200101021 is a wasteful number, since it uses less digits than its factorization.

1222200101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520035.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222200101021 its reverse (1201010022221), we get a palindrome (2423210123242).

The spelling of 1222200101021 in words is "one trillion, two hundred twenty-two billion, two hundred million, one hundred one thousand, twenty-one".