101221012201010 has 32 divisors (see below), whose sum is σ = 206540041095360. Its totient is φ = 35406864186048.

The previous prime is 101221012200961. The next prime is 101221012201013. The reversal of 101221012201010 is 10102210122101.

It is not an unprimeable number, because it can be changed into a prime (101221012201013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20490080972 + ... + 20490085911.

It is an arithmetic number, because the mean of its divisors is an integer number (6454376284230).

Almost surely, 2^{101221012201010} is an apocalyptic number.

101221012201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101221012201010 is an abundant number, since it is smaller than the sum of its proper divisors (105319028894350).

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

101221012201010 is a wasteful number, since it uses less digits than its factorization.

101221012201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40980166922.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101221012201010 its reverse (10102210122101), we get a palindrome (111323222323111).

The spelling of 101221012201010 in words is "one hundred one trillion, two hundred twenty-one billion, twelve million, two hundred one thousand, ten".