1101220153 has 32 divisors (see below), whose sum is σ = 1261522944. Its totient is φ = 960498000.

The previous prime is 1101220121. The next prime is 1101220157. The reversal of 1101220153 is 3510221011.

It is not a de Polignac number, because 1101220153 - 2⁵ = 1101220121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101220157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4063408 + ... + 4063678.

It is an arithmetic number, because the mean of its divisors is an integer number (39422592).

Almost surely, 2^1101220153 is an apocalyptic number.

It is an amenable number.

1101220153 is a deficient number, since it is larger than the sum of its proper divisors (160302791).

1101220153 is an equidigital number, since it uses as much as digits as its factorization.

1101220153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1101220153 is about 33184.6373040297. The cubic root of 1101220153 is about 1032.6616531109.

Adding to 1101220153 its reverse (3510221011), we get a palindrome (4611441164).

The spelling of 1101220153 in words is "one billion, one hundred one million, two hundred twenty thousand, one hundred fifty-three".