201201102420131 has 4 divisors (see below), whose sum is σ = 219492111731064. Its totient is φ = 182910093109200.

The previous prime is 201201102420103. The next prime is 201201102420133. The reversal of 201201102420131 is 131024201102102.

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

It is a cyclic number.

It is not a de Polignac number, because 201201102420131 - 2⁶ = 201201102420067 is a prime.

It is a super-2 number, since 2×201201102420131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201201102420133) 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, 9145504655450 + ... + 9145504655471.

It is an arithmetic number, because the mean of its divisors is an integer number (54873027932766).

Almost surely, 2^{201201102420131} is an apocalyptic number.

201201102420131 is a deficient number, since it is larger than the sum of its proper divisors (18291009310933).

201201102420131 is a wasteful number, since it uses less digits than its factorization.

201201102420131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18291009310932.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 201201102420131 its reverse (131024201102102), we get a palindrome (332225303522233).

The spelling of 201201102420131 in words is "two hundred one trillion, two hundred one billion, one hundred two million, four hundred twenty thousand, one hundred thirty-one".