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101010020220221 = 71271111910218731
BaseRepresentation
bin10110111101111000111010…
…010111111011110100111101
3111020122110111222112212211012
4112331320322113323310331
5101214422010134021341
6554455210201205005
730163506315310310
oct2675707227736475
9436573458485735
10101010020220221
112a2041220a7902
12b3b4503490765
13444928635b678
141ad2ca7d62977
15ba2780a8a0eb
hex5bde3a5fbd3d

101010020220221 has 16 divisors (see below), whose sum is σ = 116359475036160. Its totient is φ = 85890551145840.

The previous prime is 101010020220199. The next prime is 101010020220247. The reversal of 101010020220221 is 122022020010101.

It is not a de Polignac number, because 101010020220221 - 210 = 101010020219197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101010020220196 and 101010020220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010020220821) 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, 4775426 + ... + 14994156.

It is an arithmetic number, because the mean of its divisors is an integer number (7272467189760).

Almost surely, 2101010020220221 is an apocalyptic number.

It is an amenable number.

101010020220221 is a deficient number, since it is larger than the sum of its proper divisors (15349454815939).

101010020220221 is a wasteful number, since it uses less digits than its factorization.

101010020220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10229984.

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

Adding to 101010020220221 its reverse (122022020010101), we get a palindrome (223032040230322).

The spelling of 101010020220221 in words is "one hundred one trillion, ten billion, twenty million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 7 127 889 11119 77833 1412113 9884791 10218731 71531117 1297778837 9084451859 113622069989 795354489923 14430002888603 101010020220221