10121122010 has 16 divisors (see below), whose sum is σ = 18219481416. Its totient is φ = 4048123968.

The previous prime is 10121122001. The next prime is 10121122031. The reversal of 10121122010 is 1022112101.

It can be written as a sum of positive squares in 4 ways, for example, as 2897991889 + 7223130121 = 53833^2 + 84989^2 .

It is a super-2 number, since 2×10121122010² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121121982 and 10121122000.

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, 120812 + ... + 186648.

Almost surely, 2^10121122010 is an apocalyptic number.

10121122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121122010 is a deficient number, since it is larger than the sum of its proper divisors (8098359406).

10121122010 is a wasteful number, since it uses less digits than its factorization.

10121122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81217.

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

Adding to 10121122010 its reverse (1022112101), we get a palindrome (11143234111).

Subtracting from 10121122010 its reverse (1022112101), we obtain a palindrome (9099009909).

The spelling of 10121122010 in words is "ten billion, one hundred twenty-one million, one hundred twenty-two thousand, ten".