10122020203 has 4 divisors (see below), whose sum is σ = 10260678088. Its totient is φ = 9983362320.

The previous prime is 10122020179. The next prime is 10122020219. The reversal of 10122020203 is 30202022101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30202022101 = 43 ⋅702372607.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10122020203 is a prime.

It is a super-2 number, since 2×10122020203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10122020903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69328833 + ... + 69328978.

It is an arithmetic number, because the mean of its divisors is an integer number (2565169522).

Almost surely, 2^10122020203 is an apocalyptic number.

10122020203 is a deficient number, since it is larger than the sum of its proper divisors (138657885).

10122020203 is an equidigital number, since it uses as much as digits as its factorization.

10122020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138657884.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10122020203 its reverse (30202022101), we get a palindrome (40324042304).

The spelling of 10122020203 in words is "ten billion, one hundred twenty-two million, twenty thousand, two hundred three".