221112012020102 has 8 divisors (see below), whose sum is σ = 379049163463056. Its totient is φ = 94762290865752.

The previous prime is 221112012020087. The next prime is 221112012020197. The reversal of 221112012020102 is 201020210211122.

221112012020102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 7896857572133 + ... + 7896857572160.

It is an arithmetic number, because the mean of its divisors is an integer number (47381145432882).

Almost surely, 2^{221112012020102} is an apocalyptic number.

221112012020102 is a deficient number, since it is larger than the sum of its proper divisors (157937151442954).

221112012020102 is a wasteful number, since it uses less digits than its factorization.

221112012020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15793715144302.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221112012020102 its reverse (201020210211122), we get a palindrome (422132222231224).

The spelling of 221112012020102 in words is "two hundred twenty-one trillion, one hundred twelve billion, twelve million, twenty thousand, one hundred two".