1202221022221 has 8 divisors (see below), whose sum is σ = 1254506249664. Its totient is φ = 1149937023840.

The previous prime is 1202221022201. The next prime is 1202221022243. The reversal of 1202221022221 is 1222201222021.

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 1202221022221 - 2¹⁷ = 1202220891149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202221022201) 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, 2089441 + ... + 2601961.

It is an arithmetic number, because the mean of its divisors is an integer number (156813281208).

Almost surely, 2^{1202221022221} is an apocalyptic number.

It is an amenable number.

1202221022221 is a deficient number, since it is larger than the sum of its proper divisors (52285227443).

1202221022221 is a wasteful number, since it uses less digits than its factorization.

1202221022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614531.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1202221022221 its reverse (1222201222021), we get a palindrome (2424422244242).

The spelling of 1202221022221 in words is "one trillion, two hundred two billion, two hundred twenty-one million, twenty-two thousand, two hundred twenty-one".