21120210201201 has 8 divisors (see below), whose sum is σ = 29816767342944. Its totient is φ = 13251896596800.

The previous prime is 21120210201199. The next prime is 21120210201203. The reversal of 21120210201201 is 10210201202112.

It is an interprime number because it is at equal distance from previous prime (21120210201199) and next prime (21120210201203).

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

It is not a de Polignac number, because 21120210201201 - 2¹ = 21120210201199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21120210201203) 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, 207060884275 + ... + 207060884376.

It is an arithmetic number, because the mean of its divisors is an integer number (3727095917868).

Almost surely, 2^{21120210201201} is an apocalyptic number.

It is an amenable number.

21120210201201 is a deficient number, since it is larger than the sum of its proper divisors (8696557141743).

21120210201201 is a wasteful number, since it uses less digits than its factorization.

21120210201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414121768671.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21120210201201 its reverse (10210201202112), we get a palindrome (31330411403313).

The spelling of 21120210201201 in words is "twenty-one trillion, one hundred twenty billion, two hundred ten million, two hundred one thousand, two hundred one".