1202001022231 has 2 divisors, whose sum is σ = 1202001022232. Its totient is φ = 1202001022230.

The previous prime is 1202001022217. The next prime is 1202001022247. The reversal of 1202001022231 is 1322201002021.

It is a happy number.

It is an a-pointer prime, because the next prime (1202001022247) can be obtained adding 1202001022231 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202001022231 is a prime.

It is a super-2 number, since 2×1202001022231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202001022031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601000511115 + 601000511116.

It is an arithmetic number, because the mean of its divisors is an integer number (601000511116).

Almost surely, 2^{1202001022231} is an apocalyptic number.

1202001022231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202001022231 is an equidigital number, since it uses as much as digits as its factorization.

1202001022231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1202001022231 its reverse (1322201002021), we get a palindrome (2524202024252).

The spelling of 1202001022231 in words is "one trillion, two hundred two billion, one million, twenty-two thousand, two hundred thirty-one".