202101021012203 has 16 divisors (see below), whose sum is σ = 221097651420096. Its totient is φ = 183995301934080.

The previous prime is 202101021012199. The next prime is 202101021012221. The reversal of 202101021012203 is 302210120101202.

It is a cyclic number.

It is not a de Polignac number, because 202101021012203 - 2² = 202101021012199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202101021012403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1579566026 + ... + 1579693967.

It is an arithmetic number, because the mean of its divisors is an integer number (13818603213756).

Almost surely, 2^{202101021012203} is an apocalyptic number.

202101021012203 is a deficient number, since it is larger than the sum of its proper divisors (18996630407893).

202101021012203 is a wasteful number, since it uses less digits than its factorization.

202101021012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159260134.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202101021012203 its reverse (302210120101202), we get a palindrome (504311141113405).

The spelling of 202101021012203 in words is "two hundred two trillion, one hundred one billion, twenty-one million, twelve thousand, two hundred three".