1214221412101 has 4 divisors (see below), whose sum is σ = 1215258323104. Its totient is φ = 1213184501100.

The previous prime is 1214221412087. The next prime is 1214221412171. The reversal of 1214221412101 is 1012141224121.

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 1214221412101 - 2¹⁹ = 1214220887813 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 (1214221412171) 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, 518453745 + ... + 518456086.

It is an arithmetic number, because the mean of its divisors is an integer number (303814580776).

Almost surely, 2^{1214221412101} is an apocalyptic number.

It is an amenable number.

1214221412101 is a deficient number, since it is larger than the sum of its proper divisors (1036911003).

1214221412101 is a wasteful number, since it uses less digits than its factorization.

1214221412101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036911002.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 1214221412101 its reverse (1012141224121), we get a palindrome (2226362636222).

The spelling of 1214221412101 in words is "one trillion, two hundred fourteen billion, two hundred twenty-one million, four hundred twelve thousand, one hundred one".