11020000021121 has 32 divisors (see below), whose sum is σ = 13717275264000. Its totient is φ = 8620320096576.

The previous prime is 11020000021097. The next prime is 11020000021157. The reversal of 11020000021121 is 12112000002011.

It is a cyclic number.

It is not a de Polignac number, because 11020000021121 - 2²² = 11019995826817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020000026121) 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, 3724730 + ... + 5992796.

It is an arithmetic number, because the mean of its divisors is an integer number (428664852000).

Almost surely, 2^{11020000021121} is an apocalyptic number.

It is an amenable number.

11020000021121 is a deficient number, since it is larger than the sum of its proper divisors (2697275242879).

11020000021121 is a wasteful number, since it uses less digits than its factorization.

11020000021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268693.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020000021121 its reverse (12112000002011), we get a palindrome (23132000023132).

The spelling of 11020000021121 in words is "eleven trillion, twenty billion, twenty-one thousand, one hundred twenty-one".