221012201102 has 64 divisors (see below), whose sum is σ = 429122285568. Its totient is φ = 82848960000.

The previous prime is 221012201101. The next prime is 221012201117. The reversal of 221012201102 is 201102210122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221012201101) 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, 692102 + ... + 959702.

It is an arithmetic number, because the mean of its divisors is an integer number (6705035712).

Almost surely, 2^221012201102 is an apocalyptic number.

221012201102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221012201102 is a deficient number, since it is larger than the sum of its proper divisors (208110084466).

221012201102 is a wasteful number, since it uses less digits than its factorization.

221012201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267825.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221012201102 its reverse (201102210122), we get a palindrome (422114411224).

The spelling of 221012201102 in words is "two hundred twenty-one billion, twelve million, two hundred one thousand, one hundred two".