102210101 has 32 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 79845696.

The previous prime is 102210077. The next prime is 102210107. The reversal of 102210101 is 101012201.

It is not a de Polignac number, because 102210101 - 2⁶ = 102210037 is a prime.

It is a super-3 number, since 3×102210101³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210107) 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, 518735 + ... + 518931.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2^102210101 is an apocalyptic number.

It is an amenable number.

102210101 is a deficient number, since it is larger than the sum of its proper divisors (25523659).

102210101 is a wasteful number, since it uses less digits than its factorization.

102210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 102210101 is about 10109.9011370043. The cubic root of 102210101 is about 467.5534570497.

Adding to 102210101 its reverse (101012201), we get a palindrome (203222302).

The spelling of 102210101 in words is "one hundred two million, two hundred ten thousand, one hundred one".