100021012120211 has 8 divisors (see below), whose sum is σ = 123102784148064. Its totient is φ = 79137504095040.

The previous prime is 100021012120207. The next prime is 100021012120241. The reversal of 100021012120211 is 112021210120001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100021012120211 - 2² = 100021012120207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100021012120241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549566000570 + ... + 549566000751.

It is an arithmetic number, because the mean of its divisors is an integer number (15387848018508).

Almost surely, 2^{100021012120211} is an apocalyptic number.

100021012120211 is a deficient number, since it is larger than the sum of its proper divisors (23081772027853).

100021012120211 is a wasteful number, since it uses less digits than its factorization.

100021012120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099132001341.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100021012120211 its reverse (112021210120001), we get a palindrome (212042222240212).

The spelling of 100021012120211 in words is "one hundred trillion, twenty-one billion, twelve million, one hundred twenty thousand, two hundred eleven".