11220101021000 has 32 divisors (see below), whose sum is σ = 26255036391480. Its totient is φ = 4488040408000.

The previous prime is 11220101020967. The next prime is 11220101021023. The reversal of 11220101021000 is 12010102211.

It can be written as a sum of positive squares in 4 ways, for example, as 7432788026596 + 3787312994404 = 2726314^2 + 1946102^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5610049511 + ... + 5610051510.

Almost surely, 2^{11220101021000} is an apocalyptic number.

11220101021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220101021000 is an abundant number, since it is smaller than the sum of its proper divisors (15034935370480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220101021000 is a wasteful number, since it uses less digits than its factorization.

11220101021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220101042 (or 11220101028 counting only the distinct ones).

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

Adding to 11220101021000 its reverse (12010102211), we get a palindrome (11232111123211).

The spelling of 11220101021000 in words is "eleven trillion, two hundred twenty billion, one hundred one million, twenty-one thousand".