201202210110021 has 8 divisors (see below), whose sum is σ = 269289650034240. Its totient is φ = 133624788462912.

The previous prime is 201202210109983. The next prime is 201202210110043. The reversal of 201202210110021 is 120011012202102.

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

It is not a de Polignac number, because 201202210110021 - 2¹⁷ = 201202209978949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202210112021) 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, 127504568356 + ... + 127504569933.

It is an arithmetic number, because the mean of its divisors is an integer number (33661206254280).

Almost surely, 2^{201202210110021} is an apocalyptic number.

It is an amenable number.

201202210110021 is a deficient number, since it is larger than the sum of its proper divisors (68087439924219).

201202210110021 is a wasteful number, since it uses less digits than its factorization.

201202210110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255009138555.

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

Adding to 201202210110021 its reverse (120011012202102), we get a palindrome (321213222312123).

The spelling of 201202210110021 in words is "two hundred one trillion, two hundred two billion, two hundred ten million, one hundred ten thousand, twenty-one".