10101021201003 has 4 divisors (see below), whose sum is σ = 13468028268008. Its totient is φ = 6734014134000.

The previous prime is 10101021200899. The next prime is 10101021201049. The reversal of 10101021201003 is 30010212010101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10101021201003 - 2¹³ = 10101021192811 is a prime.

It is a super-2 number, since 2×10101021201003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10101021201003.

It is not an unprimeable number, because it can be changed into a prime (10101021001003) 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, 1683503533498 + ... + 1683503533503.

It is an arithmetic number, because the mean of its divisors is an integer number (3367007067002).

Almost surely, 2^{10101021201003} is an apocalyptic number.

10101021201003 is a deficient number, since it is larger than the sum of its proper divisors (3367007067005).

10101021201003 is an equidigital number, since it uses as much as digits as its factorization.

10101021201003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367007067004.

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

Adding to 10101021201003 its reverse (30010212010101), we get a palindrome (40111233211104).

The spelling of 10101021201003 in words is "ten trillion, one hundred one billion, twenty-one million, two hundred one thousand, three".