201010020021010 has 32 divisors (see below), whose sum is σ = 378740262246912. Its totient is φ = 76665568985280.

The previous prime is 201010020020989. The next prime is 201010020021023. The reversal of 201010020021010 is 10120020010102.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1378407546 + ... + 1378553365.

It is an arithmetic number, because the mean of its divisors is an integer number (11835633195216).

Almost surely, 2^{201010020021010} is an apocalyptic number.

201010020021010 is a deficient number, since it is larger than the sum of its proper divisors (177730242225902).

201010020021010 is a wasteful number, since it uses less digits than its factorization.

201010020021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756961258.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201010020021010 its reverse (10120020010102), we get a palindrome (211130040031112).

The spelling of 201010020021010 in words is "two hundred one trillion, ten billion, twenty million, twenty-one thousand, ten".