1421022204101 has 4 divisors (see below), whose sum is σ = 1438142953632. Its totient is φ = 1403901454572.

The previous prime is 1421022204097. The next prime is 1421022204127. The reversal of 1421022204101 is 1014022201241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1421022204101 - 2² = 1421022204097 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 (1421022201101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8560374641 + ... + 8560374806.

It is an arithmetic number, because the mean of its divisors is an integer number (359535738408).

Almost surely, 2^{1421022204101} is an apocalyptic number.

It is an amenable number.

1421022204101 is a deficient number, since it is larger than the sum of its proper divisors (17120749531).

1421022204101 is an equidigital number, since it uses as much as digits as its factorization.

1421022204101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17120749530.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1421022204101 its reverse (1014022201241), we get a palindrome (2435044405342).

The spelling of 1421022204101 in words is "one trillion, four hundred twenty-one billion, twenty-two million, two hundred four thousand, one hundred one".