101121020003 has 2 divisors, whose sum is σ = 101121020004. Its totient is φ = 101121020002.

The previous prime is 101121019957. The next prime is 101121020027. The reversal of 101121020003 is 300020121101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101121020003 - 2²² = 101116825699 is a prime.

It is a super-2 number, since 2×101121020003² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101121020503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560510001 + 50560510002.

It is an arithmetic number, because the mean of its divisors is an integer number (50560510002).

Almost surely, 2^101121020003 is an apocalyptic number.

101121020003 is a deficient number, since it is larger than the sum of its proper divisors (1).

101121020003 is an equidigital number, since it uses as much as digits as its factorization.

101121020003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 101121020003 its reverse (300020121101), we get a palindrome (401141141104).

The spelling of 101121020003 in words is "one hundred one billion, one hundred twenty-one million, twenty thousand, three".