102030021201 has 16 divisors (see below), whose sum is σ = 144048832704. Its totient is φ = 64015970304.

The previous prime is 102030021199. The next prime is 102030021221. The reversal of 102030021201 is 102120030201.

It is not a de Polignac number, because 102030021201 - 2¹ = 102030021199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102030021221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2140510 + ... + 2187656.

It is an arithmetic number, because the mean of its divisors is an integer number (9003052044).

Almost surely, 2^102030021201 is an apocalyptic number.

It is an amenable number.

102030021201 is a deficient number, since it is larger than the sum of its proper divisors (42018811503).

102030021201 is a wasteful number, since it uses less digits than its factorization.

102030021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89600.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102030021201 its reverse (102120030201), we get a palindrome (204150051402).

The spelling of 102030021201 in words is "one hundred two billion, thirty million, twenty-one thousand, two hundred one".