102021211201 has 32 divisors (see below), whose sum is σ = 129622268160. Its totient is φ = 78144804864.

The previous prime is 102021211199. The next prime is 102021211213. The reversal of 102021211201 is 102112120201.

It is not a de Polignac number, because 102021211201 - 2¹ = 102021211199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (102021211231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326805 + ... + 557533.

It is an arithmetic number, because the mean of its divisors is an integer number (4050695880).

Almost surely, 2^102021211201 is an apocalyptic number.

It is an amenable number.

102021211201 is a deficient number, since it is larger than the sum of its proper divisors (27601056959).

102021211201 is a wasteful number, since it uses less digits than its factorization.

102021211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230905.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102021211201 its reverse (102112120201), we get a palindrome (204133331402).

The spelling of 102021211201 in words is "one hundred two billion, twenty-one million, two hundred eleven thousand, two hundred one".