11021121111203 has 16 divisors (see below), whose sum is σ = 13332917748480. Its totient is φ = 8908813208736.

The previous prime is 11021121111157. The next prime is 11021121111271. The reversal of 11021121111203 is 30211112112011.

It is not a de Polignac number, because 11021121111203 - 2¹² = 11021121107107 is a prime.

It is a super-2 number, since 2×11021121111203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021121111703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631284725 + ... + 631302182.

It is an arithmetic number, because the mean of its divisors is an integer number (833307359280).

Almost surely, 2^{11021121111203} is an apocalyptic number.

11021121111203 is a deficient number, since it is larger than the sum of its proper divisors (2311796637277).

11021121111203 is a wasteful number, since it uses less digits than its factorization.

11021121111203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262586986.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11021121111203 its reverse (30211112112011), we get a palindrome (41232233223214).

The spelling of 11021121111203 in words is "eleven trillion, twenty-one billion, one hundred twenty-one million, one hundred eleven thousand, two hundred three".