101210121003 has 16 divisors (see below), whose sum is σ = 139418053632. Its totient is φ = 65241492000.

The previous prime is 101210120939. The next prime is 101210121037. The reversal of 101210121003 is 300121012101.

It is not a de Polignac number, because 101210121003 - 2⁶ = 101210120939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101210121003.

It is not an unprimeable number, because it can be changed into a prime (101210111003) 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, 350913 + ... + 570578.

It is an arithmetic number, because the mean of its divisors is an integer number (8713628352).

Almost surely, 2^101210121003 is an apocalyptic number.

101210121003 is a deficient number, since it is larger than the sum of its proper divisors (38207932629).

101210121003 is a wasteful number, since it uses less digits than its factorization.

101210121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922706.

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

Adding to 101210121003 its reverse (300121012101), we get a palindrome (401331133104).

The spelling of 101210121003 in words is "one hundred one billion, two hundred ten million, one hundred twenty-one thousand, three".