101020121202 has 256 divisors, whose sum is σ = 282010595328. Its totient is φ = 23277818880.

The previous prime is 101020121171. The next prime is 101020121203. The reversal of 101020121202 is 202121020101.

It is not an unprimeable number, because it can be changed into a prime (101020121203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18441688 + ... + 18447164.

It is an arithmetic number, because the mean of its divisors is an integer number (1101603888).

Almost surely, 2^101020121202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101020121202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141005297664).

101020121202 is an abundant number, since it is smaller than the sum of its proper divisors (180990474126).

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

101020121202 is a wasteful number, since it uses less digits than its factorization.

101020121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101020121202 its reverse (202121020101), we get a palindrome (303141141303).

It can be divided in two parts, 101020 and 121202, that added together give a palindrome (222222).

The spelling of 101020121202 in words is "one hundred one billion, twenty million, one hundred twenty-one thousand, two hundred two".