100002021213031 has 16 divisors (see below), whose sum is σ = 115020428846400. Its totient is φ = 85168423300608.

The previous prime is 100002021212993. The next prime is 100002021213079. The reversal of 100002021213031 is 130312120200001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100002021213031 is a prime.

It is a super-2 number, since 2×100002021213031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100002021212996 and 100002021213014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100002021213931) 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, 70487746 + ... + 71892463.

It is an arithmetic number, because the mean of its divisors is an integer number (7188776802900).

Almost surely, 2^{100002021213031} is an apocalyptic number.

100002021213031 is a deficient number, since it is larger than the sum of its proper divisors (15018407633369).

100002021213031 is a wasteful number, since it uses less digits than its factorization.

100002021213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142380858.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100002021213031 its reverse (130312120200001), we get a palindrome (230314141413032).

The spelling of 100002021213031 in words is "one hundred trillion, two billion, twenty-one million, two hundred thirteen thousand, thirty-one".