101021221102 has 8 divisors (see below), whose sum is σ = 155227730112. Its totient is φ = 49278644400.

The previous prime is 101021221079. The next prime is 101021221117. The reversal of 101021221102 is 201122120101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101021221102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615982974 + ... + 615983137.

It is an arithmetic number, because the mean of its divisors is an integer number (19403466264).

Almost surely, 2^101021221102 is an apocalyptic number.

101021221102 is a deficient number, since it is larger than the sum of its proper divisors (54206509010).

101021221102 is a wasteful number, since it uses less digits than its factorization.

101021221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231966154.

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

Adding to 101021221102 its reverse (201122120101), we get a palindrome (302143341203).

The spelling of 101021221102 in words is "one hundred one billion, twenty-one million, two hundred twenty-one thousand, one hundred two".