102201302021 has 8 divisors (see below), whose sum is σ = 125786217984. Its totient is φ = 80862568560.

The previous prime is 102201301991. The next prime is 102201302057. The reversal of 102201302021 is 120203102201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102201302021 is a prime.

It is a super-2 number, since 2×102201302021² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102201301987 and 102201302005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201302521) 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, 561545525 + ... + 561545706.

It is an arithmetic number, because the mean of its divisors is an integer number (15723277248).

Almost surely, 2^102201302021 is an apocalyptic number.

It is an amenable number.

102201302021 is a deficient number, since it is larger than the sum of its proper divisors (23584915963).

102201302021 is a wasteful number, since it uses less digits than its factorization.

102201302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123091251.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102201302021 its reverse (120203102201), we get a palindrome (222404404222).

The spelling of 102201302021 in words is "one hundred two billion, two hundred one million, three hundred two thousand, twenty-one".