101221012202 has 32 divisors (see below), whose sum is σ = 163835412480. Its totient is φ = 46764851760.

The previous prime is 101221012201. The next prime is 101221012241. The reversal of 101221012202 is 202210122101.

It is a super-2 number, since 2×101221012202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101221012201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739799 + ... + 865877.

It is an arithmetic number, because the mean of its divisors is an integer number (5119856640).

Almost surely, 2^101221012202 is an apocalyptic number.

101221012202 is a deficient number, since it is larger than the sum of its proper divisors (62614400278).

101221012202 is a wasteful number, since it uses less digits than its factorization.

101221012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126698.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101221012202 its reverse (202210122101), we get a palindrome (303431134303).

The spelling of 101221012202 in words is "one hundred one billion, two hundred twenty-one million, twelve thousand, two hundred two".