1214221030121 has 16 divisors (see below), whose sum is σ = 1349659075968. Its totient is φ = 1082960611200.

The previous prime is 1214221030093. The next prime is 1214221030153. The reversal of 1214221030121 is 1210301224121.

It is a cyclic number.

It is not a de Polignac number, because 1214221030121 - 2³⁸ = 939343123177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214221030093 and 1214221030102.

It is not an unprimeable number, because it can be changed into a prime (1214221030021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19739405 + ... + 19800821.

It is an arithmetic number, because the mean of its divisors is an integer number (84353692248).

Almost surely, 2^{1214221030121} is an apocalyptic number.

1214221030121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1214221030121 is a deficient number, since it is larger than the sum of its proper divisors (135438045847).

1214221030121 is a wasteful number, since it uses less digits than its factorization.

1214221030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95392.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1214221030121 its reverse (1210301224121), we get a palindrome (2424522254242).

The spelling of 1214221030121 in words is "one trillion, two hundred fourteen billion, two hundred twenty-one million, thirty thousand, one hundred twenty-one".