1102022122221 has 48 divisors (see below), whose sum is σ = 1653579113472. Its totient is φ = 706766256000.

The previous prime is 1102022122219. The next prime is 1102022122237. The reversal of 1102022122221 is 1222212202011.

It is a happy number.

It is not a de Polignac number, because 1102022122221 - 2¹ = 1102022122219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102022122194 and 1102022122203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102022122241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7391811 + ... + 7539423.

It is an arithmetic number, because the mean of its divisors is an integer number (34449564864).

Almost surely, 2^{1102022122221} is an apocalyptic number.

It is an amenable number.

1102022122221 is a deficient number, since it is larger than the sum of its proper divisors (551556991251).

1102022122221 is a wasteful number, since it uses less digits than its factorization.

1102022122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147954 (or 147951 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1102022122221 its reverse (1222212202011), we get a palindrome (2324234324232).

The spelling of 1102022122221 in words is "one trillion, one hundred two billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-one".