1212121011022 has 8 divisors (see below), whose sum is σ = 1818200016072. Its totient is φ = 606054339000.

The previous prime is 1212121011019. The next prime is 1212121011061. The reversal of 1212121011022 is 2201101212121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212121010987 and 1212121011005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2833504 + ... + 3233107.

It is an arithmetic number, because the mean of its divisors is an integer number (227275002009).

Almost surely, 2^{1212121011022} is an apocalyptic number.

1212121011022 is a deficient number, since it is larger than the sum of its proper divisors (606079005050).

1212121011022 is an equidigital number, since it uses as much as digits as its factorization.

1212121011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6166514.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212121011022 its reverse (2201101212121), we get a palindrome (3413222223143).

The spelling of 1212121011022 in words is "one trillion, two hundred twelve billion, one hundred twenty-one million, eleven thousand, twenty-two".