11021205153 has 32 divisors (see below), whose sum is σ = 17387400960. Its totient is φ = 6075740160.

The previous prime is 11021205109. The next prime is 11021205193. The reversal of 11021205153 is 35150212011.

It is not a de Polignac number, because 11021205153 - 2¹² = 11021201057 is a prime.

It is a super-3 number, since 3×11021205153³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11021205103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822201 + ... + 835497.

It is an arithmetic number, because the mean of its divisors is an integer number (543356280).

Almost surely, 2^11021205153 is an apocalyptic number.

It is an amenable number.

11021205153 is a deficient number, since it is larger than the sum of its proper divisors (6366195807).

11021205153 is a wasteful number, since it uses less digits than its factorization.

11021205153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14697.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 11021205153 its reverse (35150212011), we get a palindrome (46171417164).

The spelling of 11021205153 in words is "eleven billion, twenty-one million, two hundred five thousand, one hundred fifty-three".