11021000012010 has 64 divisors (see below), whose sum is σ = 29394547378560. Its totient is φ = 2938411935360.

The previous prime is 11021000011999. The next prime is 11021000012021. The reversal of 11021000012010 is 1021000012011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11021000011999) and next prime (11021000012021).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11021000011983 and 11021000012001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2094952 + ... + 5141091.

It is an arithmetic number, because the mean of its divisors is an integer number (459289802790).

Almost surely, 2^{11021000012010} is an apocalyptic number.

11021000012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021000012010 is an abundant number, since it is smaller than the sum of its proper divisors (18373547366550).

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

11021000012010 is a wasteful number, since it uses less digits than its factorization.

11021000012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7241700 (or 7241694 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11021000012010 its reverse (1021000012011), we get a palindrome (12042000024021).

Subtracting from 11021000012010 its reverse (1021000012011), we obtain a palindrome (9999999999999).

The spelling of 11021000012010 in words is "eleven trillion, twenty-one billion, twelve thousand, ten".