121213101022 has 16 divisors (see below), whose sum is σ = 197214459120. Its totient is φ = 55542028032.

The previous prime is 121213101017. The next prime is 121213101071. The reversal of 121213101022 is 220101312121.

It is a junction number, because it is equal to n+sod(n) for n = 121213100987 and 121213101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16766323 + ... + 16773550.

It is an arithmetic number, because the mean of its divisors is an integer number (12325903695).

Almost surely, 2^121213101022 is an apocalyptic number.

121213101022 is a deficient number, since it is larger than the sum of its proper divisors (76001358098).

121213101022 is a wasteful number, since it uses less digits than its factorization.

121213101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33540027.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121213101022 its reverse (220101312121), we get a palindrome (341314413143).

The spelling of 121213101022 in words is "one hundred twenty-one billion, two hundred thirteen million, one hundred one thousand, twenty-two".