121022101010 has 8 divisors (see below), whose sum is σ = 217839781836. Its totient is φ = 48408840400.

The previous prime is 121022101003. The next prime is 121022101027. The reversal of 121022101010 is 10101220121.

It can be written as a sum of positive squares in 2 ways, for example, as 121012841161 + 9259849 = 347869^2 + 3043^2 .

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 = 121022100982 and 121022101000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6051105041 + ... + 6051105060.

Almost surely, 2^121022101010 is an apocalyptic number.

121022101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022101010 is a deficient number, since it is larger than the sum of its proper divisors (96817680826).

121022101010 is a wasteful number, since it uses less digits than its factorization.

121022101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12102210108.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121022101010 its reverse (10101220121), we get a palindrome (131123321131).

It can be divided in two parts, 12102 and 2101010, that added together give a palindrome (2113112).

The spelling of 121022101010 in words is "one hundred twenty-one billion, twenty-two million, one hundred one thousand, ten".