213420101222 has 4 divisors (see below), whose sum is σ = 320130151836. Its totient is φ = 106710050610.

The previous prime is 213420101221. The next prime is 213420101269. The reversal of 213420101222 is 222101024312.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 213420101194 and 213420101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213420101221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53355025304 + ... + 53355025307.

It is an arithmetic number, because the mean of its divisors is an integer number (80032537959).

Almost surely, 2^213420101222 is an apocalyptic number.

213420101222 is a deficient number, since it is larger than the sum of its proper divisors (106710050614).

213420101222 is a wasteful number, since it uses less digits than its factorization.

213420101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106710050613.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 213420101222 its reverse (222101024312), we get a palindrome (435521125534).

The spelling of 213420101222 in words is "two hundred thirteen billion, four hundred twenty million, one hundred one thousand, two hundred twenty-two".