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1202022222001 is a prime number
BaseRepresentation
bin10001011111011110000…
…110111000100010110001
311020220121222212122001121
4101133132012320202301
5124143220142101001
62320111255502241
7152562142210006
oct21373606704261
94226558778047
101202022222001
11423858231447
12174b62987981
1389472542983
144226cd298ad
15214024dc6a1
hex117de1b88b1

1202022222001 has 2 divisors, whose sum is σ = 1202022222002. Its totient is φ = 1202022222000.

The previous prime is 1202022221969. The next prime is 1202022222017. The reversal of 1202022222001 is 1002222202021.

It is an a-pointer prime, because the next prime (1202022222017) can be obtained adding 1202022222001 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1187489678400 + 14532543601 = 1089720^2 + 120551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202022222001 - 25 = 1202022221969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202022222091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601011111000 + 601011111001.

It is an arithmetic number, because the mean of its divisors is an integer number (601011111001).

Almost surely, 21202022222001 is an apocalyptic number.

It is an amenable number.

1202022222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202022222001 is an equidigital number, since it uses as much as digits as its factorization.

1202022222001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1202022222001 its reverse (1002222202021), we get a palindrome (2204244424022).

The spelling of 1202022222001 in words is "one trillion, two hundred two billion, twenty-two million, two hundred twenty-two thousand, one".