100254213021 has 16 divisors (see below), whose sum is σ = 139697790336. Its totient is φ = 63832291776.

The previous prime is 100254212969. The next prime is 100254213053. The reversal of 100254213021 is 120312452001.

It is not a de Polignac number, because 100254213021 - 2¹⁵ = 100254180253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100254213121) 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, 1067470 + ... + 1157583.

It is an arithmetic number, because the mean of its divisors is an integer number (8731111896).

Almost surely, 2^100254213021 is an apocalyptic number.

It is an amenable number.

100254213021 is a deficient number, since it is larger than the sum of its proper divisors (39443577315).

100254213021 is a wasteful number, since it uses less digits than its factorization.

100254213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225732.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 100254213021 its reverse (120312452001), we get a palindrome (220566665022).

The spelling of 100254213021 in words is "one hundred billion, two hundred fifty-four million, two hundred thirteen thousand, twenty-one".