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101220202022 = 250610101011
BaseRepresentation
bin101111001000100110…
…0011011011000100110
3100200021012200000202012
41132101030123120212
53124244332431042
6114255552114222
710212221343542
oct1362114333046
9320235600665
10101220202022
1139a2218aa25
121774a535972
139711558284
144c8312ca22
152976415e82
hex179131b626

101220202022 has 4 divisors (see below), whose sum is σ = 151830303036. Its totient is φ = 50610101010.

The previous prime is 101220202021. The next prime is 101220202043. The reversal of 101220202022 is 220202022101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220202022101 = 713101436931.

It is a junction number, because it is equal to n+sod(n) for n = 101220201988 and 101220202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220202021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25305050504 + ... + 25305050507.

It is an arithmetic number, because the mean of its divisors is an integer number (37957575759).

Almost surely, 2101220202022 is an apocalyptic number.

101220202022 is a deficient number, since it is larger than the sum of its proper divisors (50610101014).

101220202022 is an equidigital number, since it uses as much as digits as its factorization.

101220202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50610101013.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 101220202022 its reverse (220202022101), we get a palindrome (321422224123).

It can be divided in two parts, 101 and 220202022, that multiplied together give a palindrome (22240404222).

The spelling of 101220202022 in words is "one hundred one billion, two hundred twenty million, two hundred two thousand, twenty-two".

Divisors: 1 2 50610101011 101220202022