10203660521061 has 16 divisors (see below), whose sum is σ = 15583533141504. Its totient is φ = 5817501381744.

The previous prime is 10203660521051. The next prime is 10203660521083. The reversal of 10203660521061 is 16012506630201.

It is not a de Polignac number, because 10203660521061 - 2⁹ = 10203660520549 is a prime.

It is a super-2 number, since 2×10203660521061² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203660521051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548397691 + ... + 548416296.

It is an arithmetic number, because the mean of its divisors is an integer number (973970821344).

Almost surely, 2^{10203660521061} is an apocalyptic number.

It is an amenable number.

10203660521061 is a deficient number, since it is larger than the sum of its proper divisors (5379872620443).

10203660521061 is a wasteful number, since it uses less digits than its factorization.

10203660521061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096814440.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 10203660521061 in words is "ten trillion, two hundred three billion, six hundred sixty million, five hundred twenty-one thousand, sixty-one".