1222021215041 has 4 divisors (see below), whose sum is σ = 1333114052784. Its totient is φ = 1110928377300.

The previous prime is 1222021215013. The next prime is 1222021215091. The reversal of 1222021215041 is 1405121202221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222021215041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222021214998 and 1222021215016.

It is not an unprimeable number, because it can be changed into a prime (1222021215091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55546418855 + ... + 55546418876.

It is an arithmetic number, because the mean of its divisors is an integer number (333278513196).

Almost surely, 2^{1222021215041} is an apocalyptic number.

1222021215041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222021215041 is a deficient number, since it is larger than the sum of its proper divisors (111092837743).

1222021215041 is a wasteful number, since it uses less digits than its factorization.

1222021215041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111092837742.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 1222021215041 its reverse (1405121202221), we get a palindrome (2627142417262).

The spelling of 1222021215041 in words is "one trillion, two hundred twenty-two billion, twenty-one million, two hundred fifteen thousand, forty-one".