102001111121222 has 16 divisors (see below), whose sum is σ = 159656926321152. Its totient is φ = 48782219382600.

The previous prime is 102001111121219. The next prime is 102001111121227. The reversal of 102001111121222 is 222121111100201.

It is a self number, because there is not a number n which added to its sum of digits gives 102001111121222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001111121227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18458558 + ... + 23339249.

It is an arithmetic number, because the mean of its divisors is an integer number (9978557895072).

Almost surely, 2^{102001111121222} is an apocalyptic number.

102001111121222 is a deficient number, since it is larger than the sum of its proper divisors (57655815199930).

102001111121222 is a wasteful number, since it uses less digits than its factorization.

102001111121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41850883.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102001111121222 its reverse (222121111100201), we get a palindrome (324122222221423).

The spelling of 102001111121222 in words is "one hundred two trillion, one billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twenty-two".