121022000210 has 16 divisors (see below), whose sum is σ = 217852488792. Its totient is φ = 48405936000.

The previous prime is 121022000201. The next prime is 121022000243. The reversal of 121022000210 is 12000220121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110122431409 + 10899568801 = 331847^2 + 104401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121022000191 and 121022000200.

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, 176141 + ... + 522560.

Almost surely, 2^121022000210 is an apocalyptic number.

121022000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022000210 is a deficient number, since it is larger than the sum of its proper divisors (96830488582).

121022000210 is a wasteful number, since it uses less digits than its factorization.

121022000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716029.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 121022000210 its reverse (12000220121), we get a palindrome (133022220331).

The spelling of 121022000210 in words is "one hundred twenty-one billion, twenty-two million, two hundred ten", and thus it is an aban number.