1202220212021 has 8 divisors (see below), whose sum is σ = 1210975234560. Its totient is φ = 1193495224752.

The previous prime is 1202220211999. The next prime is 1202220212071. The reversal of 1202220212021 is 1202120222021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202220212021 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 (1202220212071) 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, 7428470 + ... + 7588583.

It is an arithmetic number, because the mean of its divisors is an integer number (151371904320).

Almost surely, 2^{1202220212021} is an apocalyptic number.

It is an amenable number.

1202220212021 is a deficient number, since it is larger than the sum of its proper divisors (8755022539).

1202220212021 is a wasteful number, since it uses less digits than its factorization.

1202220212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15017635.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1202220212021 its reverse (1202120222021), we get a palindrome (2404340434042).

The spelling of 1202220212021 in words is "one trillion, two hundred two billion, two hundred twenty million, two hundred twelve thousand, twenty-one".