121010100010 has 8 divisors (see below), whose sum is σ = 217818180036. Its totient is φ = 48404040000.

The previous prime is 121010099971. The next prime is 121010100047. The reversal of 121010100010 is 10001010121.

It can be written as a sum of positive squares in 2 ways, for example, as 110244584961 + 10765515049 = 332031^2 + 103757^2 .

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 = 121010099966 and 121010100002.

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, 6050504991 + ... + 6050505010.

Almost surely, 2^121010100010 is an apocalyptic number.

121010100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010100010 is a deficient number, since it is larger than the sum of its proper divisors (96808080026).

121010100010 is a wasteful number, since it uses less digits than its factorization.

121010100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101010008.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 121010100010 its reverse (10001010121), we get a palindrome (131011110131).

The spelling of 121010100010 in words is "one hundred twenty-one billion, ten million, one hundred thousand, ten".