101211020003 has 16 divisors (see below), whose sum is σ = 106416261120. Its totient is φ = 96132355200.

The previous prime is 101211019999. The next prime is 101211020039. The reversal of 101211020003 is 300020112101.

It is a cyclic number.

It is not a de Polignac number, because 101211020003 - 2² = 101211019999 is a prime.

It is a super-2 number, since 2×101211020003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101211020083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110251 + ... + 1197947.

It is an arithmetic number, because the mean of its divisors is an integer number (6651016320).

Almost surely, 2^101211020003 is an apocalyptic number.

101211020003 is a deficient number, since it is larger than the sum of its proper divisors (5205241117).

101211020003 is an equidigital number, since it uses as much as digits as its factorization.

101211020003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88418.

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

Adding to 101211020003 its reverse (300020112101), we get a palindrome (401231132104).

The spelling of 101211020003 in words is "one hundred one billion, two hundred eleven million, twenty thousand, three".