121021121122022 has 256 divisors, whose sum is σ = 220378790562048. Its totient is φ = 49213156884480.

The previous prime is 121021121122009. The next prime is 121021121122037. The reversal of 121021121122022 is 220221121120121.

It is a super-2 number, since 2×121021121122022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021121121985 and 121021121122003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 101442682658 + ... + 101442683850.

It is an arithmetic number, because the mean of its divisors is an integer number (860854650633).

Almost surely, 2^{121021121122022} is an apocalyptic number.

121021121122022 is a deficient number, since it is larger than the sum of its proper divisors (99357669440026).

121021121122022 is a wasteful number, since it uses less digits than its factorization.

121021121122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121021121122022 its reverse (220221121120121), we get a palindrome (341242242242143).

The spelling of 121021121122022 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, twenty-two".