102211402 has 32 divisors (see below), whose sum is σ = 166394880. Its totient is φ = 46949760.

The previous prime is 102211397. The next prime is 102211409. The reversal of 102211402 is 204112201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102211409) 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, 326398 + ... + 326710.

It is an arithmetic number, because the mean of its divisors is an integer number (5199840).

Almost surely, 2^102211402 is an apocalyptic number.

102211402 is a deficient number, since it is larger than the sum of its proper divisors (64183478).

102211402 is a wasteful number, since it uses less digits than its factorization.

102211402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 102211402 is about 10109.9654796641. The cubic root of 102211402 is about 467.5554408213. Note that the first 3 decimals are identical.

Adding to 102211402 its reverse (204112201), we get a palindrome (306323603).

The spelling of 102211402 in words is "one hundred two million, two hundred eleven thousand, four hundred two".