1202111010221 has 8 divisors (see below), whose sum is σ = 1320195132000. Its totient is φ = 1085493772240.

The previous prime is 1202111010209. The next prime is 1202111010251. The reversal of 1202111010221 is 1220101112021.

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 1202111010221 - 2³⁰ = 1201037268397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202111010196 and 1202111010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202111010251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366719231 + ... + 366722508.

It is an arithmetic number, because the mean of its divisors is an integer number (165024391500).

Almost surely, 2^{1202111010221} is an apocalyptic number.

1202111010221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1202111010221 is a deficient number, since it is larger than the sum of its proper divisors (118084121779).

1202111010221 is a wasteful number, since it uses less digits than its factorization.

1202111010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733441899.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1202111010221 its reverse (1220101112021), we get a palindrome (2422212122242).

The spelling of 1202111010221 in words is "one trillion, two hundred two billion, one hundred eleven million, ten thousand, two hundred twenty-one".