10990199220 has 288 divisors, whose sum is σ = 42056413056. Its totient is φ = 2107929600.

The previous prime is 10990199201. The next prime is 10990199239. The reversal of 10990199220 is 2299109901.

It is an interprime number because it is at equal distance from previous prime (10990199201) and next prime (10990199239).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 407350 + ... + 433490.

It is an arithmetic number, because the mean of its divisors is an integer number (146029212).

Almost surely, 2^10990199220 is an apocalyptic number.

10990199220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10990199220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21028206528).

10990199220 is an abundant number, since it is smaller than the sum of its proper divisors (31066213836).

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

10990199220 is a wasteful number, since it uses less digits than its factorization.

10990199220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26191 (or 26182 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 42.

The spelling of 10990199220 in words is "ten billion, nine hundred ninety million, one hundred ninety-nine thousand, two hundred twenty".