101001022021210 has 16 divisors (see below), whose sum is σ = 183410705477736. Its totient is φ = 40042883066368.

The previous prime is 101001022021201. The next prime is 101001022021253. The reversal of 101001022021210 is 12120220100101.

It can be written as a sum of positive squares in 4 ways, for example, as 75581063025169 + 25419958996041 = 8693737^2 + 5041821^2 .

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, 44690716579 + ... + 44690718838.

Almost surely, 2^{101001022021210} is an apocalyptic number.

101001022021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101001022021210 is a deficient number, since it is larger than the sum of its proper divisors (82409683456526).

101001022021210 is a wasteful number, since it uses less digits than its factorization.

101001022021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89381435537.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101001022021210 its reverse (12120220100101), we get a palindrome (113121242121311).

The spelling of 101001022021210 in words is "one hundred one trillion, one billion, twenty-two million, twenty-one thousand, two hundred ten".