21142103402301 has 64 divisors (see below), whose sum is σ = 33072612188160. Its totient is φ = 11762890191360.

The previous prime is 21142103402293. The next prime is 21142103402309. The reversal of 21142103402301 is 10320430124112.

It is an interprime number because it is at equal distance from previous prime (21142103402293) and next prime (21142103402309).

It is not a de Polignac number, because 21142103402301 - 2³ = 21142103402293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21142103402309) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 495005535 + ... + 495048243.

It is an arithmetic number, because the mean of its divisors is an integer number (516759565440).

Almost surely, 2^{21142103402301} is an apocalyptic number.

21142103402301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21142103402301 is a deficient number, since it is larger than the sum of its proper divisors (11930508785859).

21142103402301 is a wasteful number, since it uses less digits than its factorization.

21142103402301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45354.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21142103402301 its reverse (10320430124112), we get a palindrome (31462533526413).

The spelling of 21142103402301 in words is "twenty-one trillion, one hundred forty-two billion, one hundred three million, four hundred two thousand, three hundred one".