10021200111010 has 128 divisors (see below), whose sum is σ = 21385385164800. Its totient is φ = 3340364832000.

The previous prime is 10021200110989. The next prime is 10021200111011. The reversal of 10021200111010 is 1011100212001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10021200111011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 644069611 + ... + 644085169.

It is an arithmetic number, because the mean of its divisors is an integer number (167073321600).

Almost surely, 2^{10021200111010} is an apocalyptic number.

10021200111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021200111010 is an abundant number, since it is smaller than the sum of its proper divisors (11364185053790).

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

10021200111010 is a wasteful number, since it uses less digits than its factorization.

10021200111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25568.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10021200111010 its reverse (1011100212001), we get a palindrome (11032300323011).

The spelling of 10021200111010 in words is "ten trillion, twenty-one billion, two hundred million, one hundred eleven thousand, ten".