1022121544123 has 8 divisors (see below), whose sum is σ = 1057407720480. Its totient is φ = 986838074880.

The previous prime is 1022121544099. The next prime is 1022121544133. The reversal of 1022121544123 is 3214451212201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022121544123 - 2⁵ = 1022121544091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022121544091 and 1022121544100.

It is not an unprimeable number, because it can be changed into a prime (1022121544133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106786 + ... + 1433752.

It is an arithmetic number, because the mean of its divisors is an integer number (132175965060).

Almost surely, 2^{1022121544123} is an apocalyptic number.

1022121544123 is a deficient number, since it is larger than the sum of its proper divisors (35286176357).

1022121544123 is a wasteful number, since it uses less digits than its factorization.

1022121544123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353557.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1022121544123 its reverse (3214451212201), we get a palindrome (4236572756324).

The spelling of 1022121544123 in words is "one trillion, twenty-two billion, one hundred twenty-one million, five hundred forty-four thousand, one hundred twenty-three".