1230022200121 has 16 divisors (see below), whose sum is σ = 1453926479040. Its totient is φ = 1025854009920.

The previous prime is 1230022200091. The next prime is 1230022200149. The reversal of 1230022200121 is 1210022200321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1230022200121 - 2¹⁹ = 1230021675833 is a prime.

It is a super-2 number, since 2×1230022200121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230022200095 and 1230022200104.

It is not an unprimeable number, because it can be changed into a prime (1230022209121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26361826 + ... + 26408443.

It is an arithmetic number, because the mean of its divisors is an integer number (90870404940).

Almost surely, 2^{1230022200121} is an apocalyptic number.

1230022200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1230022200121 is a deficient number, since it is larger than the sum of its proper divisors (223904278919).

1230022200121 is a wasteful number, since it uses less digits than its factorization.

1230022200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52770456.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1230022200121 its reverse (1210022200321), we get a palindrome (2440044400442).

The spelling of 1230022200121 in words is "one trillion, two hundred thirty billion, twenty-two million, two hundred thousand, one hundred twenty-one".