121001010110010 has 48 divisors (see below), whose sum is σ = 314615157649416. Its totient is φ = 32265650761344.

The previous prime is 121001010109979. The next prime is 121001010110047. The reversal of 121001010110010 is 10011010100121.

It can be written as a sum of positive squares in 4 ways, for example, as 99937949628609 + 21063060481401 = 9996897^2 + 4589451^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 121001010109974 and 121001010110001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24503329 + ... + 29024388.

Almost surely, 2^{121001010110010} is an apocalyptic number.

121001010110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001010110010 is an abundant number, since it is smaller than the sum of its proper divisors (193614147539406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121001010110010 is a wasteful number, since it uses less digits than its factorization.

121001010110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53552847 (or 53552844 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 121001010110010 its reverse (10011010100121), we get a palindrome (131012020210131).

The spelling of 121001010110010 in words is "one hundred twenty-one trillion, one billion, ten million, one hundred ten thousand, ten".