142211130621401 has 2 divisors, whose sum is σ = 142211130621402. Its totient is φ = 142211130621400.

The previous prime is 142211130621389. The next prime is 142211130621419. The reversal of 142211130621401 is 104126031112241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122730171073225 + 19480959548176 = 11078365^2 + 4413724^2 .

It is an emirp because it is prime and its reverse (104126031112241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142211130621401 - 2⁴² = 137813084110297 is a prime.

It is not a weakly prime, because it can be changed into another prime (142211130621431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71105565310700 + 71105565310701.

It is an arithmetic number, because the mean of its divisors is an integer number (71105565310701).

Almost surely, 2^{142211130621401} is an apocalyptic number.

It is an amenable number.

142211130621401 is a deficient number, since it is larger than the sum of its proper divisors (1).

142211130621401 is an equidigital number, since it uses as much as digits as its factorization.

142211130621401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 142211130621401 its reverse (104126031112241), we get a palindrome (246337161733642).

The spelling of 142211130621401 in words is "one hundred forty-two trillion, two hundred eleven billion, one hundred thirty million, six hundred twenty-one thousand, four hundred one".